Subtract 15/49 from 18/75
18/75 - 15/49 is -81/1225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 49 is 3675
Next, find the equivalent fraction of both fractional numbers with denominator 3675 - For the 1st fraction, since 75 × 49 = 3675,
18/75 = 18 × 49/75 × 49 = 882/3675 - Likewise, for the 2nd fraction, since 49 × 75 = 3675,
15/49 = 15 × 75/49 × 75 = 1125/3675 - Subtract the two like fractions:
882/3675 - 1125/3675 = 882 - 1125/3675 = -243/3675 - After reducing the fraction, the answer is -81/1225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75-15/49 18/75-30/49 18/75-15/98 54/75-15/49 18/75-45/49 90/75-15/49 18/75-75/49