Subtract 21/42 from 36/14
1st number: 2 8/14, 2nd number: 21/42
36/14 - 21/42 is 29/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
36/14 = 36 × 3/14 × 3 = 108/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
21/42 = 21 × 1/42 × 1 = 21/42 - Subtract the two like fractions:
108/42 - 21/42 = 108 - 21/42 = 87/42 - After reducing the fraction, the answer is 29/14
- In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-21/42 36/28-21/42 36/14-21/84 36/14-63/42 36/42-21/42 36/70-21/42 36/98-21/42