Math Drills
Adding Mixed Numbers (Unlike Denominators)
A-1Calculation

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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 1/3+3 5/8 □
Answer: 4 23/24
(2)1 1/7+1 7/10 □
Answer: 2 59/70
(3)2 3/4+1/9 □
Answer: 2 31/36
(4)5 2/7+2/9 □
Answer: 5 32/63
(5)1 1/10+2/5 □
Answer: 1 1/2
(6)3 11/12+4 1/4 □
Answer: 8 1/6
(7)4 5/9+2 6/7 □
Answer: 7 26/63
(8)4 3/7+4 5/6 □
Answer: 9 11/42














