Add 21/5 and 35/12
1st number: 4 1/5, 2nd number: 2 11/12
21/5 + 35/12 is 427/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
21/5 = 21 × 12/5 × 12 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
35/12 = 35 × 5/12 × 5 = 175/60 - Add the two like fractions:
252/60 + 175/60 = 252 + 175/60 = 427/60 - So, 21/5 + 35/12 = 427/60
In mixed form: 77/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/5+35/12 21/5+70/12 21/10+35/12 21/5+35/24 63/5+35/12 21/15+35/12 21/5+35/36 21/25+35/12 21/5+35/60 21/35+35/12 21/5+35/84