Subtract 21/56 from 75/35
1st number: 2 5/35, 2nd number: 21/56
75/35 - 21/56 is 99/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
75/35 = 75 × 8/35 × 8 = 600/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
21/56 = 21 × 5/56 × 5 = 105/280 - Subtract the two like fractions:
600/280 - 105/280 = 600 - 105/280 = 495/280 - After reducing the fraction, the answer is 99/56
- In mixed form: 143/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/35-42/56 75/70-21/56 75/35-63/56