Subtract 18/49 from 1/15
1/15 - 18/49 is -221/735.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 49 is 735
Next, find the equivalent fraction of both fractional numbers with denominator 735 - For the 1st fraction, since 15 × 49 = 735,
1/15 = 1 × 49/15 × 49 = 49/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
18/49 = 18 × 15/49 × 15 = 270/735 - Subtract the two like fractions:
49/735 - 270/735 = 49 - 270/735 = -221/735
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15-18/49 1/15-36/49 1/30-18/49 1/15-18/98 3/15-18/49 1/15-54/49 1/45-18/49 5/15-18/49 1/15-90/49 1/75-18/49 7/15-18/49