Answers

Subtract 90/56 from 1/75

1^st number: 1/75, 2^nd number: 1 34/56

1/75 - 90/56 is -3347/2100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 56 is 4200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4200
2. For the 1st fraction, since 75 × 56 = 4200,
   1/75 = 1 × 56/75 × 56 = 56/4200
3. Likewise, for the 2nd fraction, since 56 × 75 = 4200,
   90/56 = 90 × 75/56 × 75 = 6750/4200
4. Subtract the two like fractions:
   56/4200 - 6750/4200 = 56 - 6750/4200 = -6694/4200
5. After reducing the fraction, the answer is -3347/2100

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ²/₇₅-⁹⁰/₅₆ ³/₇₅-⁹⁰/₅₆ ⁵/₇₅-⁹⁰/₅₆ ⁷/₇₅-⁹⁰/₅₆

Subtract Fractions Calculator