Subtract 63/28 from 15/8
1st number: 1 7/8, 2nd number: 2 7/28
15/8 - 63/28 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
63/28 = 63 × 2/28 × 2 = 126/56 - Subtract the two like fractions:
105/56 - 126/56 = 105 - 126/56 = -21/56 - After reducing the fraction, the answer is -3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8-63/28 15/16-63/28 15/8-63/56 45/8-63/28 15/24-63/28 15/8-63/84 75/8-63/28 15/40-63/28 15/56-63/28