Subtract 42/6 from 56/70
1st number: 56/70, 2nd number: 7 0/6
56/70 - 42/6 is -31/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
56/70 = 56 × 3/70 × 3 = 168/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
42/6 = 42 × 35/6 × 35 = 1470/210 - Subtract the two like fractions:
168/210 - 1470/210 = 168 - 1470/210 = -1302/210 - After reducing the fraction, the answer is -31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-84/6 56/70-42/12 56/70-42/18 56/70-42/30