Subtract 75/18 from 49/15
1st number: 3 4/15, 2nd number: 4 3/18
49/15 - 75/18 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
49/15 = 49 × 6/15 × 6 = 294/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
75/18 = 75 × 5/18 × 5 = 375/90 - Subtract the two like fractions:
294/90 - 375/90 = 294 - 375/90 = -81/90 - After reducing the fraction, the answer is -9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15-75/18 49/30-75/18 49/15-75/36 49/45-75/18 49/15-75/54 49/75-75/18 49/15-75/90