Subtract 7/8 from 63/15
1st number: 4 3/15, 2nd number: 7/8
63/15 - 7/8 is 133/40.
Steps for subtracting 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,
63/15 = 63 × 8/15 × 8 = 504/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
7/8 = 7 × 15/8 × 15 = 105/120 - Subtract the two like fractions:
504/120 - 105/120 = 504 - 105/120 = 399/120 - After reducing the fraction, the answer is 133/40
- In mixed form: 313/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15-14/8 63/30-7/8 63/15-7/16 63/15-21/8 63/45-7/8 63/15-7/24 63/15-35/8 63/75-7/8 63/15-7/40 63/15-49/8 63/15-7/56