Subtract 81/49 from 36/75
1st number: 36/75, 2nd number: 1 32/49
36/75 - 81/49 is -1437/1225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 49 is 3675
Next, find the equivalent fraction of both fractional numbers with denominator 3675 - For the 1st fraction, since 75 × 49 = 3675,
36/75 = 36 × 49/75 × 49 = 1764/3675 - Likewise, for the 2nd fraction, since 49 × 75 = 3675,
81/49 = 81 × 75/49 × 75 = 6075/3675 - Subtract the two like fractions:
1764/3675 - 6075/3675 = 1764 - 6075/3675 = -4311/3675 - After reducing the fraction, the answer is -1437/1225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75-81/49 36/75-81/98