Subtract 30/56 from 90/35
1st number: 2 20/35, 2nd number: 30/56
90/35 - 30/56 is 57/28.
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,
30/56 = 30 × 5/56 × 5 = 150/280 - Subtract the two like fractions:
720/280 - 150/280 = 720 - 150/280 = 570/280 - After reducing the fraction, the answer is 57/28
- In mixed form: 21/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-60/56 90/70-30/56 90/35-90/56