Subtract 56/42 from 70/25
1st number: 2 20/25, 2nd number: 1 14/42
70/25 - 56/42 is 22/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 25 × 42 = 1050,
70/25 = 70 × 42/25 × 42 = 2940/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
56/42 = 56 × 25/42 × 25 = 1400/1050 - Subtract the two like fractions:
2940/1050 - 1400/1050 = 2940 - 1400/1050 = 1540/1050 - After reducing the fraction, the answer is 22/15
- In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/50-56/42 70/25-56/84 70/75-56/42