Subtract 21/28 from 36/4
1st number: 9 0/4, 2nd number: 21/28
36/4 - 21/28 is 33/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
36/4 = 36 × 7/4 × 7 = 252/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
21/28 = 21 × 1/28 × 1 = 21/28 - Subtract the two like fractions:
252/28 - 21/28 = 252 - 21/28 = 231/28 - After reducing the fraction, the answer is 33/4
- In mixed form: 81/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4-21/28 36/4-42/28 36/8-21/28 36/4-21/56 36/4-63/28 36/12-21/28 36/4-21/84 36/20-21/28 36/28-21/28