Add 32/12 and 9/7
1st number: 2 8/12, 2nd number: 1 2/7
32/12 + 9/7 is 83/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
32/12 = 32 × 7/12 × 7 = 224/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
9/7 = 9 × 12/7 × 12 = 108/84 - Add the two like fractions:
224/84 + 108/84 = 224 + 108/84 = 332/84 - 332/84 simplified gives 83/21
- So, 32/12 + 9/7 = 83/21
In mixed form: 320/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/12+9/7 32/12+18/7 32/24+9/7 32/12+9/14 96/12+9/7 32/12+27/7 32/36+9/7 32/12+9/21 32/12+45/7 32/60+9/7 32/12+9/35 32/12+63/7 32/84+9/7 32/12+9/49