Answers

Subtract 15/10 from 70/4

1^st number: 17 2/4, 2^nd number: 1 5/10

70/4 - 15/10 is 16/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   70/4 = 70 × 5/4 × 5 = 350/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   15/10 = 15 × 2/10 × 2 = 30/20
4. Subtract the two like fractions:
   350/20 - 30/20 = 350 - 30/20 = 320/20
5. After reducing the fraction, the answer is 16/1

MathStep (Works offline)

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

Related: ⁷⁰/₄-³⁰/₁₀ ⁷⁰/₈-¹⁵/₁₀ ⁷⁰/₄-¹⁵/₂₀ ⁷⁰/₄-⁴⁵/₁₀ ⁷⁰/₁₂-¹⁵/₁₀ ⁷⁰/₄-¹⁵/₃₀ ⁷⁰/₄-⁷⁵/₁₀ ⁷⁰/₂₀-¹⁵/₁₀ ⁷⁰/₄-¹⁵/₅₀ ⁷⁰/₂₈-¹⁵/₁₀ ⁷⁰/₄-¹⁵/₇₀

Subtract Fractions Calculator