Subtract 21/4 from 5/12
1st number: 5/12, 2nd number: 5 1/4
5/12 - 21/4 is -29/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
5/12 = 5 × 1/12 × 1 = 5/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
21/4 = 21 × 3/4 × 3 = 63/12 - Subtract the two like fractions:
5/12 - 63/12 = 5 - 63/12 = -58/12 - After reducing the fraction, the answer is -29/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12-21/4 5/12-42/4 5/24-21/4 5/12-21/8 15/12-21/4 5/12-63/4 5/36-21/4 5/12-21/12 25/12-21/4 5/60-21/4 5/12-21/20 35/12-21/4 5/84-21/4 5/12-21/28