Subtract 4/70 from 8/15
8/15 - 4/70 is 10/21.
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,
8/15 = 8 × 14/15 × 14 = 112/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
4/70 = 4 × 3/70 × 3 = 12/210 - Subtract the two like fractions:
112/210 - 12/210 = 112 - 12/210 = 100/210 - After reducing the fraction, the answer is 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-4/70 8/15-8/70 8/30-4/70 24/15-4/70 8/15-12/70 8/45-4/70 40/15-4/70 8/15-20/70 8/75-4/70 56/15-4/70 8/15-28/70