Subtract 4/15 from 27/70
27/70 - 4/15 is 5/42.
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,
27/70 = 27 × 3/70 × 3 = 81/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
4/15 = 4 × 14/15 × 14 = 56/210 - Subtract the two like fractions:
81/210 - 56/210 = 81 - 56/210 = 25/210 - After reducing the fraction, the answer is 5/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/70-4/15 27/70-8/15 27/70-4/30 81/70-4/15 27/70-12/15 27/70-4/45 27/70-20/15 27/70-4/75 27/70-28/15