Subtract 35/70 from 18/15
1st number: 1 3/15, 2nd number: 35/70
18/15 - 35/70 is 7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
18/15 = 18 × 14/15 × 14 = 252/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
35/70 = 35 × 3/70 × 3 = 105/210 - Subtract the two like fractions:
252/210 - 105/210 = 252 - 105/210 = 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: 36/15-35/70 18/30-35/70 54/15-35/70 18/45-35/70 90/15-35/70 18/75-35/70