Answers

Subtract 2/25 from 3/42

3/42 - 2/25 is -3/350.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 25 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 42 × 25 = 1050,
   3/42 = 3 × 25/42 × 25 = 75/1050
3. Likewise, for the 2nd fraction, since 25 × 42 = 1050,
   2/25 = 2 × 42/25 × 42 = 84/1050
4. Subtract the two like fractions:
   75/1050 - 84/1050 = 75 - 84/1050 = -9/1050
5. After reducing the fraction, the answer is -3/350

MathStep (Works offline)

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

Related: ⁶/₄₂-²/₂₅ ³/₄₂-⁴/₂₅ ³/₈₄-²/₂₅ ³/₄₂-²/₅₀ ⁹/₄₂-²/₂₅ ³/₄₂-⁶/₂₅ ³/₄₂-²/₇₅ ¹⁵/₄₂-²/₂₅ ³/₄₂-¹⁰/₂₅ ²¹/₄₂-²/₂₅ ³/₄₂-¹⁴/₂₅

Subtract Fractions Calculator