Subtract 70/56 from 90/35
1st number: 2 20/35, 2nd number: 1 14/56
90/35 - 70/56 is 37/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
90/35 = 90 × 8/35 × 8 = 720/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
70/56 = 70 × 5/56 × 5 = 350/280 - Subtract the two like fractions:
720/280 - 350/280 = 720 - 350/280 = 370/280 - After reducing the fraction, the answer is 37/28
- In mixed form: 19/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-70/56