Subtract 4/56 from 21/4
1st number: 5 1/4, 2nd number: 4/56
21/4 - 4/56 is 145/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 4 × 14 = 56,
21/4 = 21 × 14/4 × 14 = 294/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
4/56 = 4 × 1/56 × 1 = 4/56 - Subtract the two like fractions:
294/56 - 4/56 = 294 - 4/56 = 290/56 - After reducing the fraction, the answer is 145/28
- In mixed form: 55/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4-4/56 21/4-8/56 21/8-4/56 63/4-4/56 21/4-12/56 21/12-4/56 21/4-20/56 21/20-4/56 21/4-28/56 21/28-4/56