Subtract 40/14 from 27/15
1st number: 1 12/15, 2nd number: 2 12/14
27/15 - 40/14 is -37/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
27/15 = 27 × 14/15 × 14 = 378/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
40/14 = 40 × 15/14 × 15 = 600/210 - Subtract the two like fractions:
378/210 - 600/210 = 378 - 600/210 = -222/210 - After reducing the fraction, the answer is -37/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-40/14 27/15-80/14 27/30-40/14 27/15-40/28 81/15-40/14 27/45-40/14 27/15-40/42 27/75-40/14 27/15-40/70 27/15-40/98