Answers

Subtract 45/70 from 20/6

1^st number: 3 2/6, 2^nd number: 45/70

20/6 - 45/70 is 113/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 6 × 35 = 210,
   20/6 = 20 × 35/6 × 35 = 700/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   45/70 = 45 × 3/70 × 3 = 135/210
4. Subtract the two like fractions:
   700/210 - 135/210 = 700 - 135/210 = 565/210
5. After reducing the fraction, the answer is 113/42
6. In mixed form: 229/42

MathStep (Works offline)

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

Related: ⁴⁰/₆-⁴⁵/₇₀ ²⁰/₆-⁹⁰/₇₀ ²⁰/₁₂-⁴⁵/₇₀ ⁶⁰/₆-⁴⁵/₇₀ ²⁰/₁₈-⁴⁵/₇₀ ²⁰/₃₀-⁴⁵/₇₀ ²⁰/₄₂-⁴⁵/₇₀

Subtract Fractions Calculator