Answers

Subtract 12/84 from 8/10

8/10 - 12/84 is 23/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 10 × 42 = 420,
   8/10 = 8 × 42/10 × 42 = 336/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   12/84 = 12 × 5/84 × 5 = 60/420
4. Subtract the two like fractions:
   336/420 - 60/420 = 336 - 60/420 = 276/420
5. After reducing the fraction, the answer is 23/35

MathStep (Works offline)

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

Related: ¹⁶/₁₀-¹²/₈₄ ⁸/₁₀-²⁴/₈₄ ⁸/₂₀-¹²/₈₄ ²⁴/₁₀-¹²/₈₄ ⁸/₁₀-³⁶/₈₄ ⁸/₃₀-¹²/₈₄ ⁴⁰/₁₀-¹²/₈₄ ⁸/₁₀-⁶⁰/₈₄ ⁸/₅₀-¹²/₈₄ ⁵⁶/₁₀-¹²/₈₄ ⁸/₇₀-¹²/₈₄

Subtract Fractions Calculator