Add 63/15 and 21/49
1st number: 4 3/15, 2nd number: 21/49
63/15 + 21/49 is 162/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
63/15 = 63 × 49/15 × 49 = 3087/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
21/49 = 21 × 15/49 × 15 = 315/735 - Add the two like fractions:
3087/735 + 315/735 = 3087 + 315/735 = 3402/735 - 3402/735 simplified gives 162/35
- So, 63/15 + 21/49 = 162/35
In mixed form: 422/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+42/49 63/30+21/49 63/15+21/98 63/15+63/49 63/45+21/49 63/75+21/49