Subtract 60/63 from 4/28
4/28 - 60/63 is -17/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
4/28 = 4 × 9/28 × 9 = 36/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
60/63 = 60 × 4/63 × 4 = 240/252 - Subtract the two like fractions:
36/252 - 240/252 = 36 - 240/252 = -204/252 - After reducing the fraction, the answer is -17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/28-60/63 4/56-60/63 12/28-60/63 4/84-60/63 20/28-60/63