Subtract 21/56 from 80/4
1st number: 20 0/4, 2nd number: 21/56
80/4 - 21/56 is 157/8.
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,
80/4 = 80 × 14/4 × 14 = 1120/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Subtract the two like fractions:
1120/56 - 21/56 = 1120 - 21/56 = 1099/56 - After reducing the fraction, the answer is 157/8
- In mixed form: 195/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-42/56 80/8-21/56 80/4-63/56 80/12-21/56 80/20-21/56 80/28-21/56