Subtract 40/49 from 30/15
1st number: 2 0/15, 2nd number: 40/49
30/15 - 40/49 is 58/49.
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,
30/15 = 30 × 49/15 × 49 = 1470/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
40/49 = 40 × 15/49 × 15 = 600/735 - Subtract the two like fractions:
1470/735 - 600/735 = 1470 - 600/735 = 870/735 - After reducing the fraction, the answer is 58/49
- In mixed form: 19/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15-40/49 30/15-80/49 30/15-40/98 90/15-40/49 30/45-40/49 30/75-40/49