Subtract 20/56 from 35/2
1st number: 17 1/2, 2nd number: 20/56
35/2 - 20/56 is 120/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
35/2 = 35 × 28/2 × 28 = 980/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
20/56 = 20 × 1/56 × 1 = 20/56 - Subtract the two like fractions:
980/56 - 20/56 = 980 - 20/56 = 960/56 - After reducing the fraction, the answer is 120/7
- In mixed form: 171/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-20/56 35/2-40/56 35/4-20/56 35/2-60/56 35/6-20/56 35/10-20/56 35/14-20/56