Math Drills
Adding Mixed Numbers (Unlike Denominators)
A-3Calculation

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What this worksheet covers
- Worksheet
- Adding Mixed Numbers (Unlike Denominators)
The numbers before the adding gain a whole-number part. Mixed number added to mixed number, and mixed number added to proper fraction, are handled as Calculation, both where the fraction parts fall short of 1 and where they pass 1 and carry into the whole-number part. What becomes the gap in Fill in the Blank is the numerator on the proper-fraction side.
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Papers are mixed in where finding the common denominator multiplied the whole-number part by the same figure too. The whole-number part of an answer can only be the sum of the two whole-number parts, or that sum plus 1. Stray from there and the common denominator has reached the whole numbers.
Tidying into mixed-number form was gained in Adding Improper Fractions just before. Here it turns up both before and after the arithmetic. Raising the expression out of a piece of writing comes in Adding Fractions (Word Problems and Applications).
- No Carrying2 questions
- Mixed Number + Proper Fraction3 questions
- With Carrying3 questions
Questions & answers
Problems and answers on this worksheet
These are the problems in “Adding Fractions (Unlike Denominators)”, shown with their answers.
(1)1 1/5+2 5/8 □
Answer: 3 33/40
(2)2 4/7+2 1/8 □
Answer: 4 39/56
(3)1 1/6+5/7 □
Answer: 1 37/42
(4)4 8/9+1/10 □
Answer: 4 89/90
(5)4 1/2+1/10 □
Answer: 4 3/5
(6)3 4/9+1 4/5 □
Answer: 5 11/45
(7)1 7/8+2 5/7 □
Answer: 4 33/56
(8)4 5/6+3 3/7 □
Answer: 8 11/42














