Subtract 2/70 from 12/15
12/15 - 2/70 is 27/35.
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,
12/15 = 12 × 14/15 × 14 = 168/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
2/70 = 2 × 3/70 × 3 = 6/210 - Subtract the two like fractions:
168/210 - 6/210 = 168 - 6/210 = 162/210 - After reducing the fraction, the answer is 27/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-2/70 12/15-4/70 12/30-2/70 36/15-2/70 12/15-6/70 12/45-2/70 60/15-2/70 12/15-10/70 12/75-2/70 84/15-2/70 12/15-14/70