Subtract 1/15 from 4/70
4/70 - 1/15 is -1/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
4/70 = 4 × 3/70 × 3 = 12/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
1/15 = 1 × 14/15 × 14 = 14/210 - Subtract the two like fractions:
12/210 - 14/210 = 12 - 14/210 = -2/210 - After reducing the fraction, the answer is -1/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70-1/15 4/70-2/15 4/70-1/30 12/70-1/15 4/70-3/15 4/70-1/45 20/70-1/15 4/70-5/15 4/70-1/75 28/70-1/15 4/70-7/15