Subtract 56/40 from 7/2
1st number: 3 1/2, 2nd number: 1 16/40
7/2 - 56/40 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
7/2 = 7 × 20/2 × 20 = 140/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
56/40 = 56 × 1/40 × 1 = 56/40 - Subtract the two like fractions:
140/40 - 56/40 = 140 - 56/40 = 84/40 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-56/40 7/4-56/40 7/2-56/80 21/2-56/40 7/6-56/40 35/2-56/40 7/10-56/40 49/2-56/40 7/14-56/40