Add 32/42 and 21/36
32/42 + 21/36 is 113/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
32/42 = 32 × 6/42 × 6 = 192/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252 - Add the two like fractions:
192/252 + 147/252 = 192 + 147/252 = 339/252 - 339/252 simplified gives 113/84
- So, 32/42 + 21/36 = 113/84
In mixed form: 129/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/42+21/36 32/42+42/36 32/84+21/36 32/42+21/72 96/42+21/36 32/42+63/36