Answers

Subtract 20/54 from 5/75

5/75 - 20/54 is -41/135.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 54 is 1350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1350
2. For the 1st fraction, since 75 × 18 = 1350,
   5/75 = 5 × 18/75 × 18 = 90/1350
3. Likewise, for the 2nd fraction, since 54 × 25 = 1350,
   20/54 = 20 × 25/54 × 25 = 500/1350
4. Subtract the two like fractions:
   90/1350 - 500/1350 = 90 - 500/1350 = -410/1350
5. After reducing the fraction, the answer is -41/135

MathStep (Works offline)

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

Related: ¹⁰/₇₅-²⁰/₅₄ ⁵/₇₅-⁴⁰/₅₄ ¹⁵/₇₅-²⁰/₅₄ ⁵/₇₅-⁶⁰/₅₄ ²⁵/₇₅-²⁰/₅₄ ³⁵/₇₅-²⁰/₅₄

Subtract Fractions Calculator