Add 4/15 and 63/8
1st number: 4/15, 2nd number: 7 7/8
4/15 + 63/8 is 977/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
4/15 = 4 × 8/15 × 8 = 32/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
63/8 = 63 × 15/8 × 15 = 945/120 - Add the two like fractions:
32/120 + 945/120 = 32 + 945/120 = 977/120 - So, 4/15 + 63/8 = 977/120
In mixed form: 817/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+63/8 4/30+63/8 4/15+63/16 12/15+63/8 4/45+63/8 4/15+63/24 20/15+63/8 4/75+63/8 4/15+63/40 28/15+63/8 4/15+63/56