Adding mixed numbers with unlike denominators: Fluency Drill
Grade 5 · Fractions · CCSS.Math.5.NF
- 5 3/4 + 4 3/4 = ___
- 2 2/3 + 1 2/3 = ___
- 5 5/6 + 4 4/6 = ___
- 3 3/6 + 1 1/6 = ___
- 2 2/5 + 1 1/5 = ___
- 5 2/3 + 3 2/3 = ___
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Use this free Grade 5 math worksheet to help your child master Adding mixed numbers with unlike denominators. It belongs to our Fractions collection, aligns with CCSS.Math.5.NF, and is built so a kid with a sharp pencil can finish a meaningful round of practice in roughly ten minutes.
Because the worksheet is designed for independent practice, the directions are written in friendly student language and avoid teacher-only jargon. Students who get stuck should slow down on the first problem, talk through what the question is actually asking, and only then pick up the pencil. Reading errors disguise themselves as math errors all the time at this age.
Pair the worksheet with manipulatives (counters, base-ten blocks, fraction tiles, two-color discs) for students who still need concrete support before moving to abstract symbols. The concrete-pictorial-abstract progression is one of the most reliable moves in elementary math.
Want a different angle on this skill? Try the matching variants in our Grade 5 · Fractions collection, or jump up to the cross-grade Fractions hub.
Parents tell us the most useful thing about this Adding mixed numbers with unlike denominators page is how fast they can hand it to a kid. No login. No PDF locked behind an email gate. Click print, hand it over, get ten quiet minutes of real math practice without prepping anything.
This worksheet is aligned to Common Core State Standard CCSS.Math.5.NF and supports the broader Fractions progression that students continue to build through later grades. The same skill is revisited each year with greater abstraction, so the work your student does on this single sheet feeds into the multi-digit and multi-step problems they will see in middle school.
Pair this Adding mixed numbers with unlike denominators worksheet with the rest of the Grade 5 Fractions collection for a focused practice block that covers the standard from several angles in a single afternoon.
Sample problems on this worksheet
- 5 3/4 + 4 3/4 = ___
- 2 2/3 + 1 2/3 = ___
- 5 5/6 + 4 4/6 = ___
- 3 3/6 + 1 1/6 = ___
- 2 2/5 + 1 1/5 = ___
- 5 2/3 + 3 2/3 = ___
How to use this worksheet
Print one copy per child on standard letter or A4 paper. Set a quiet 10 to 15 minute window. Hand your student a sharpened pencil and an eraser, and let them work top to bottom. The first row is a warm-up on purpose. The last row is a stretch on purpose. Sit with them as they finish so any misconceptions surface right away instead of getting practiced into a bad habit.
If your student finishes quickly, flip the page over and ask them to write two new problems of their own that target the same skill. It's a powerful retention move. If they get stuck, pull out manipulatives that match the skill (counters for early addition, base-ten blocks for place value, fraction tiles for fractions) and work through one or two problems together before letting them try the rest on their own.
Common Core alignment
This page targets CCSS.Math.5.NF inside the broader Fractions progression. The skill is introduced earlier in elementary school through concrete representations and revisited each year with greater abstraction. To see how it develops across grade levels, visit our Fractions hub. To see the rest of the Grade 5 work in this strand, visit the Grade 5 · Fractions collection.