Subtract 63/28 from 2/40
1st number: 2/40, 2nd number: 2 7/28
2/40 - 63/28 is -11/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 28 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
2/40 = 2 × 7/40 × 7 = 14/280 - Likewise, for the 2nd fraction, since 28 × 10 = 280,
63/28 = 63 × 10/28 × 10 = 630/280 - Subtract the two like fractions:
14/280 - 630/280 = 14 - 630/280 = -616/280 - After reducing the fraction, the answer is -11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/40-63/28 2/80-63/28 2/40-63/56 6/40-63/28 2/40-63/84 10/40-63/28 14/40-63/28