Add 32/42 and 21/10
1st number: 32/42, 2nd number: 2 1/10
32/42 + 21/10 is 601/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
32/42 = 32 × 5/42 × 5 = 160/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
21/10 = 21 × 21/10 × 21 = 441/210 - Add the two like fractions:
160/210 + 441/210 = 160 + 441/210 = 601/210 - So, 32/42 + 21/10 = 601/210
In mixed form: 2181/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/42+21/10 32/42+42/10 32/84+21/10 32/42+21/20 96/42+21/10 32/42+63/10 32/42+21/30 32/42+21/50 32/42+21/70