Answers

Subtract 42/27 from 12/75

1^st number: 12/75, 2^nd number: 1 15/27

12/75 - 42/27 is -314/225.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 27 is 675
   
   Next, find the equivalent fraction of both fractional numbers with denominator 675
2. For the 1st fraction, since 75 × 9 = 675,
   12/75 = 12 × 9/75 × 9 = 108/675
3. Likewise, for the 2nd fraction, since 27 × 25 = 675,
   42/27 = 42 × 25/27 × 25 = 1050/675
4. Subtract the two like fractions:
   108/675 - 1050/675 = 108 - 1050/675 = -942/675
5. After reducing the fraction, the answer is -314/225

MathStep (Works offline)

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

Related: ²⁴/₇₅-⁴²/₂₇ ¹²/₇₅-⁸⁴/₂₇ ¹²/₇₅-⁴²/₅₄ ³⁶/₇₅-⁴²/₂₇ ¹²/₇₅-⁴²/₈₁ ⁶⁰/₇₅-⁴²/₂₇ ⁸⁴/₇₅-⁴²/₂₇

Subtract Fractions Calculator