Subtract 28/49 from 27/15
1st number: 1 12/15, 2nd number: 28/49
27/15 - 28/49 is 43/35.
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,
27/15 = 27 × 49/15 × 49 = 1323/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
28/49 = 28 × 15/49 × 15 = 420/735 - Subtract the two like fractions:
1323/735 - 420/735 = 1323 - 420/735 = 903/735 - After reducing the fraction, the answer is 43/35
- In mixed form: 18/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15-28/49 27/15-56/49 27/30-28/49 27/15-28/98 81/15-28/49 27/15-84/49 27/45-28/49 27/75-28/49