Subtract 3/70 from 1/15
1/15 - 3/70 is 1/42.
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,
1/15 = 1 × 14/15 × 14 = 14/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
3/70 = 3 × 3/70 × 3 = 9/210 - Subtract the two like fractions:
14/210 - 9/210 = 14 - 9/210 = 5/210 - After reducing the fraction, the answer is 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-3/70 1/15-6/70 1/30-3/70 3/15-3/70 1/15-9/70 1/45-3/70 5/15-3/70 1/15-15/70 1/75-3/70 7/15-3/70 1/15-21/70