Subtract 21/28 from 36/6
1st number: 6 0/6, 2nd number: 21/28
36/6 - 21/28 is 21/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
36/6 = 36 × 14/6 × 14 = 504/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
21/28 = 21 × 3/28 × 3 = 63/84 - Subtract the two like fractions:
504/84 - 63/84 = 504 - 63/84 = 441/84 - After reducing the fraction, the answer is 21/4
- In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6-21/28 36/6-42/28 36/12-21/28 36/6-21/56 36/6-63/28 36/18-21/28 36/6-21/84 36/30-21/28 36/42-21/28