Subtract 56/35 from 27/30
1st number: 27/30, 2nd number: 1 21/35
27/30 - 56/35 is -7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
27/30 = 27 × 7/30 × 7 = 189/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
56/35 = 56 × 6/35 × 6 = 336/210 - Subtract the two like fractions:
189/210 - 336/210 = 189 - 336/210 = -147/210 - After reducing the fraction, the answer is -7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30-56/35 27/60-56/35 27/30-56/70 81/30-56/35 27/90-56/35