Add 5/35 and 21/12
1st number: 5/35, 2nd number: 1 9/12
5/35 + 21/12 is 53/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
5/35 = 5 × 12/35 × 12 = 60/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
21/12 = 21 × 35/12 × 35 = 735/420 - Add the two like fractions:
60/420 + 735/420 = 60 + 735/420 = 795/420 - 795/420 simplified gives 53/28
- So, 5/35 + 21/12 = 53/28
In mixed form: 125/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/35+21/12 5/35+42/12 5/70+21/12 5/35+21/24 15/35+21/12 5/35+63/12 5/35+21/36 25/35+21/12 5/35+21/60 5/35+21/84