Add 32/12 and 21/5
1st number: 2 8/12, 2nd number: 4 1/5
32/12 + 21/5 is 103/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
32/12 = 32 × 5/12 × 5 = 160/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
21/5 = 21 × 12/5 × 12 = 252/60 - Add the two like fractions:
160/60 + 252/60 = 160 + 252/60 = 412/60 - 412/60 simplified gives 103/15
- So, 32/12 + 21/5 = 103/15
In mixed form: 613/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/12+21/5 32/12+42/5 32/24+21/5 32/12+21/10 96/12+21/5 32/12+63/5 32/36+21/5 32/12+21/15 32/60+21/5 32/12+21/25 32/84+21/5 32/12+21/35