Answers

Subtract 24/42 from 45/70

45/70 - 24/42 is 1/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   45/70 = 45 × 3/70 × 3 = 135/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   24/42 = 24 × 5/42 × 5 = 120/210
4. Subtract the two like fractions:
   135/210 - 120/210 = 135 - 120/210 = 15/210
5. After reducing the fraction, the answer is 1/14

MathStep (Works offline)

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

Related: ⁹⁰/₇₀-²⁴/₄₂ ⁴⁵/₇₀-⁴⁸/₄₂ ⁴⁵/₇₀-²⁴/₈₄ ⁴⁵/₇₀-⁷²/₄₂

Subtract Fractions Calculator