Answers

Subtract 18/4 from 6/70

1^st number: 6/70, 2^nd number: 4 2/4

6/70 - 18/4 is -309/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 4 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   6/70 = 6 × 2/70 × 2 = 12/140
3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
   18/4 = 18 × 35/4 × 35 = 630/140
4. Subtract the two like fractions:
   12/140 - 630/140 = 12 - 630/140 = -618/140
5. After reducing the fraction, the answer is -309/70

MathStep (Works offline)

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

Related: ¹²/₇₀-¹⁸/₄ ⁶/₇₀-³⁶/₄ ⁶/₇₀-¹⁸/₈ ¹⁸/₇₀-¹⁸/₄ ⁶/₇₀-⁵⁴/₄ ⁶/₇₀-¹⁸/₁₂ ³⁰/₇₀-¹⁸/₄ ⁶/₇₀-⁹⁰/₄ ⁶/₇₀-¹⁸/₂₀ ⁴²/₇₀-¹⁸/₄ ⁶/₇₀-¹⁸/₂₈

Subtract Fractions Calculator