Subtract 36/7 from 12/15
1st number: 12/15, 2nd number: 5 1/7
12/15 - 36/7 is -152/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
12/15 = 12 × 7/15 × 7 = 84/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
36/7 = 36 × 15/7 × 15 = 540/105 - Subtract the two like fractions:
84/105 - 540/105 = 84 - 540/105 = -456/105 - After reducing the fraction, the answer is -152/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-36/7 12/15-72/7 12/30-36/7 12/15-36/14 36/15-36/7 12/45-36/7 12/15-36/21 60/15-36/7 12/75-36/7 12/15-36/35 84/15-36/7 12/15-36/49