Subtract 12/70 from 49/15
1st number: 3 4/15, 2nd number: 12/70
49/15 - 12/70 is 65/21.
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,
49/15 = 49 × 14/15 × 14 = 686/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Subtract the two like fractions:
686/210 - 36/210 = 686 - 36/210 = 650/210 - After reducing the fraction, the answer is 65/21
- In mixed form: 32/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15-12/70 49/15-24/70 49/30-12/70 49/15-36/70 49/45-12/70 49/15-60/70 49/75-12/70 49/15-84/70