Subtract 21/49 from 84/15
1st number: 5 9/15, 2nd number: 21/49
84/15 - 21/49 is 181/35.
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,
84/15 = 84 × 49/15 × 49 = 4116/735 - Likewise, for the 2nd fraction, since 49 × 15 = 735,
21/49 = 21 × 15/49 × 15 = 315/735 - Subtract the two like fractions:
4116/735 - 315/735 = 4116 - 315/735 = 3801/735 - After reducing the fraction, the answer is 181/35
- In mixed form: 56/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15-42/49 84/30-21/49 84/15-21/98 84/15-63/49 84/45-21/49 84/75-21/49