Subtract 21/70 from 56/2
1st number: 28 0/2, 2nd number: 21/70
56/2 - 21/70 is 277/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
56/2 = 56 × 35/2 × 35 = 1960/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Subtract the two like fractions:
1960/70 - 21/70 = 1960 - 21/70 = 1939/70 - After reducing the fraction, the answer is 277/10
- In mixed form: 277/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2-42/70 56/4-21/70 56/2-63/70 56/6-21/70 56/10-21/70 56/14-21/70