Subtract 63/28 from 7/5
1st number: 1 2/5, 2nd number: 2 7/28
7/5 - 63/28 is -17/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
7/5 = 7 × 28/5 × 28 = 196/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
63/28 = 63 × 5/28 × 5 = 315/140 - Subtract the two like fractions:
196/140 - 315/140 = 196 - 315/140 = -119/140 - After reducing the fraction, the answer is -17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5-63/28 7/10-63/28 7/5-63/56 21/5-63/28 7/15-63/28 7/5-63/84 35/5-63/28 7/25-63/28 49/5-63/28 7/35-63/28