Subtract 21/27 from 60/28
1st number: 2 4/28, 2nd number: 21/27
60/28 - 21/27 is 86/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
60/28 = 60 × 27/28 × 27 = 1620/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
21/27 = 21 × 28/27 × 28 = 588/756 - Subtract the two like fractions:
1620/756 - 588/756 = 1620 - 588/756 = 1032/756 - After reducing the fraction, the answer is 86/63
- In mixed form: 123/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28-42/27 60/56-21/27 60/28-21/54 60/28-63/27 60/84-21/27 60/28-21/81