Add 63/8 and 4/15
1st number: 7 7/8, 2nd number: 4/15
63/8 + 4/15 is 977/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
63/8 = 63 × 15/8 × 15 = 945/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
4/15 = 4 × 8/15 × 8 = 32/120 - Add the two like fractions:
945/120 + 32/120 = 945 + 32/120 = 977/120 - So, 63/8 + 4/15 = 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: 63/8+8/15 63/16+4/15 63/8+4/30 63/8+12/15 63/24+4/15 63/8+4/45 63/8+20/15 63/40+4/15 63/8+4/75 63/8+28/15 63/56+4/15