Subtract 21/56 from 75/6
1st number: 12 3/6, 2nd number: 21/56
75/6 - 21/56 is 97/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 6 × 28 = 168,
75/6 = 75 × 28/6 × 28 = 2100/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Subtract the two like fractions:
2100/168 - 63/168 = 2100 - 63/168 = 2037/168 - After reducing the fraction, the answer is 97/8
- In mixed form: 121/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/6-42/56 75/12-21/56 75/6-63/56 75/18-21/56 75/30-21/56 75/42-21/56