Subtract 4/15 from 49/70
49/70 - 4/15 is 13/30.
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,
49/70 = 49 × 3/70 × 3 = 147/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
4/15 = 4 × 14/15 × 14 = 56/210 - Subtract the two like fractions:
147/210 - 56/210 = 147 - 56/210 = 91/210 - After reducing the fraction, the answer is 13/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/70-4/15 49/70-8/15 49/70-4/30 49/70-12/15 49/70-4/45 49/70-20/15 49/70-4/75 49/70-28/15