Subtract 75/54 from 10/49
1st number: 10/49, 2nd number: 1 21/54
10/49 - 75/54 is -1045/882.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 54 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 49 × 54 = 2646,
10/49 = 10 × 54/49 × 54 = 540/2646 - Likewise, for the 2nd fraction, since 54 × 49 = 2646,
75/54 = 75 × 49/54 × 49 = 3675/2646 - Subtract the two like fractions:
540/2646 - 3675/2646 = 540 - 3675/2646 = -3135/2646 - After reducing the fraction, the answer is -1045/882
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/49-75/54 10/98-75/54 30/49-75/54 50/49-75/54 70/49-75/54