Subtract 18/3 from 56/70
1st number: 56/70, 2nd number: 6 0/3
56/70 - 18/3 is -26/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 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 3 × 70 = 210,
18/3 = 18 × 70/3 × 70 = 1260/210 - Subtract the two like fractions:
168/210 - 1260/210 = 168 - 1260/210 = -1092/210 - After reducing the fraction, the answer is -26/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70-36/3 56/70-18/6 56/70-54/3 56/70-18/9 56/70-90/3 56/70-18/15 56/70-18/21