Subtract 63/60 from 7/28
1st number: 7/28, 2nd number: 1 3/60
7/28 - 63/60 is -4/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
7/28 = 7 × 15/28 × 15 = 105/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
63/60 = 63 × 7/60 × 7 = 441/420 - Subtract the two like fractions:
105/420 - 441/420 = 105 - 441/420 = -336/420 - After reducing the fraction, the answer is -4/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-63/60 7/56-63/60 21/28-63/60 7/84-63/60 35/28-63/60 49/28-63/60