Subtract 63/28 from 7/10
1st number: 7/10, 2nd number: 2 7/28
7/10 - 63/28 is -31/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
7/10 = 7 × 14/10 × 14 = 98/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
63/28 = 63 × 5/28 × 5 = 315/140 - Subtract the two like fractions:
98/140 - 315/140 = 98 - 315/140 = -217/140 - After reducing the fraction, the answer is -31/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10-63/28 7/20-63/28 7/10-63/56 21/10-63/28 7/30-63/28 7/10-63/84 35/10-63/28 7/50-63/28 49/10-63/28 7/70-63/28