Answers

Subtract 70/40 from 2/4

1^st number: 2/4, 2^nd number: 1 30/40

2/4 - 70/40 is -5/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 4 × 10 = 40,
   2/4 = 2 × 10/4 × 10 = 20/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   70/40 = 70 × 1/40 × 1 = 70/40
4. Subtract the two like fractions:
   20/40 - 70/40 = 20 - 70/40 = -50/40
5. After reducing the fraction, the answer is -5/4

MathStep (Works offline)

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

Related: ²/₈-⁷⁰/₄₀ ²/₄-⁷⁰/₈₀ ⁶/₄-⁷⁰/₄₀ ²/₁₂-⁷⁰/₄₀ ¹⁰/₄-⁷⁰/₄₀ ²/₂₀-⁷⁰/₄₀ ¹⁴/₄-⁷⁰/₄₀ ²/₂₈-⁷⁰/₄₀

Subtract Fractions Calculator