Subtract 25/49 from 3/15
3/15 - 25/49 is -76/245.
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,
3/15 = 3 × 49/15 × 49 = 147/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
25/49 = 25 × 15/49 × 15 = 375/735 - Subtract the two like fractions:
147/735 - 375/735 = 147 - 375/735 = -228/735 - After reducing the fraction, the answer is -76/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-25/49 3/15-50/49 3/30-25/49 3/15-25/98 9/15-25/49 3/15-75/49 3/45-25/49 3/75-25/49 21/15-25/49