Subtract 56/7 from 10/30
1st number: 10/30, 2nd number: 8 0/7
10/30 - 56/7 is -23/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Likewise, for the 2nd fraction, since 7 × 30 = 210,
56/7 = 56 × 30/7 × 30 = 1680/210 - Subtract the two like fractions:
70/210 - 1680/210 = 70 - 1680/210 = -1610/210 - After reducing the fraction, the answer is -23/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30-56/7 10/60-56/7 10/30-56/14 10/90-56/7 10/30-56/21 50/30-56/7 10/30-56/35 70/30-56/7 10/30-56/49