Subtract 56/90 from 70/15
1st number: 4 10/15, 2nd number: 56/90
70/15 - 56/90 is 182/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
70/15 = 70 × 6/15 × 6 = 420/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
56/90 = 56 × 1/90 × 1 = 56/90 - Subtract the two like fractions:
420/90 - 56/90 = 420 - 56/90 = 364/90 - After reducing the fraction, the answer is 182/45
- In mixed form: 42/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30-56/90 70/45-56/90 70/75-56/90