Subtract 16/7 from 27/15
1st number: 1 12/15, 2nd number: 2 2/7
27/15 - 16/7 is -17/35.
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,
27/15 = 27 × 7/15 × 7 = 189/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
16/7 = 16 × 15/7 × 15 = 240/105 - Subtract the two like fractions:
189/105 - 240/105 = 189 - 240/105 = -51/105 - After reducing the fraction, the answer is -17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-16/7 27/15-32/7 27/30-16/7 27/15-16/14 81/15-16/7 27/15-48/7 27/45-16/7 27/15-16/21 27/15-80/7 27/75-16/7 27/15-16/35 27/15-16/49