Subtract 49/27 from 20/15
1st number: 1 5/15, 2nd number: 1 22/27
20/15 - 49/27 is -13/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
20/15 = 20 × 9/15 × 9 = 180/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
49/27 = 49 × 5/27 × 5 = 245/135 - Subtract the two like fractions:
180/135 - 245/135 = 180 - 245/135 = -65/135 - After reducing the fraction, the answer is -13/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15-49/27 20/15-98/27 20/30-49/27 20/15-49/54 60/15-49/27 20/45-49/27 20/15-49/81 20/75-49/27