Subtract 35/7 from 12/15
1st number: 12/15, 2nd number: 5 0/7
12/15 - 35/7 is -21/5.
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,
35/7 = 35 × 15/7 × 15 = 525/105 - Subtract the two like fractions:
84/105 - 525/105 = 84 - 525/105 = -441/105 - After reducing the fraction, the answer is -21/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15-35/7 12/15-70/7 12/30-35/7 12/15-35/14 36/15-35/7 12/45-35/7 12/15-35/21 60/15-35/7 12/75-35/7 84/15-35/7 12/15-35/49