Subtract 21/49 from 75/36
1st number: 2 3/36, 2nd number: 21/49
75/36 - 21/49 is 139/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 49 is 1764
Next, find the equivalent fraction of both fractional numbers with denominator 1764 - For the 1st fraction, since 36 × 49 = 1764,
75/36 = 75 × 49/36 × 49 = 3675/1764 - Likewise, for the 2nd fraction, since 49 × 36 = 1764,
21/49 = 21 × 36/49 × 36 = 756/1764 - Subtract the two like fractions:
3675/1764 - 756/1764 = 3675 - 756/1764 = 2919/1764 - After reducing the fraction, the answer is 139/84
- In mixed form: 155/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/36-42/49 75/72-21/49 75/36-21/98 75/36-63/49