Subtract 15/8 from 49/36
1st number: 1 13/36, 2nd number: 1 7/8
49/36 - 15/8 is -37/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
49/36 = 49 × 2/36 × 2 = 98/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
15/8 = 15 × 9/8 × 9 = 135/72 - Subtract the two like fractions:
98/72 - 135/72 = 98 - 135/72 = -37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/36-15/8 49/36-30/8 49/72-15/8 49/36-15/16 49/36-45/8 49/36-15/24 49/36-75/8 49/36-15/40 49/36-15/56