Subtract 7/15 from 63/8
1st number: 7 7/8, 2nd number: 7/15
63/8 - 7/15 is 889/120.
Steps for subtracting 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,
7/15 = 7 × 8/15 × 8 = 56/120 - Subtract the two like fractions:
945/120 - 56/120 = 945 - 56/120 = 889/120 - In mixed form: 749/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-14/15 63/16-7/15 63/8-7/30 63/8-21/15 63/24-7/15 63/8-7/45 63/8-35/15 63/40-7/15 63/8-7/75 63/8-49/15 63/56-7/15