Subtract 3/90 from 56/35
1st number: 1 21/35, 2nd number: 3/90
56/35 - 3/90 is 47/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
56/35 = 56 × 18/35 × 18 = 1008/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Subtract the two like fractions:
1008/630 - 21/630 = 1008 - 21/630 = 987/630 - After reducing the fraction, the answer is 47/30
- In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35-6/90 56/70-3/90 56/35-9/90 56/35-15/90 56/35-21/90