Subtract 45/49 from 8/15
8/15 - 45/49 is -283/735.
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,
8/15 = 8 × 49/15 × 49 = 392/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
45/49 = 45 × 15/49 × 15 = 675/735 - Subtract the two like fractions:
392/735 - 675/735 = 392 - 675/735 = -283/735
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15-45/49 8/15-90/49 8/30-45/49 8/15-45/98 24/15-45/49 8/45-45/49 40/15-45/49 8/75-45/49 56/15-45/49