Answers

Subtract 50/70 from 2/84

2/84 - 50/70 is -29/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   2/84 = 2 × 5/84 × 5 = 10/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   50/70 = 50 × 6/70 × 6 = 300/420
4. Subtract the two like fractions:
   10/420 - 300/420 = 10 - 300/420 = -290/420
5. After reducing the fraction, the answer is -29/42

MathStep (Works offline)

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

Related: ⁴/₈₄-⁵⁰/₇₀ ⁶/₈₄-⁵⁰/₇₀ ¹⁰/₈₄-⁵⁰/₇₀ ¹⁴/₈₄-⁵⁰/₇₀

Subtract Fractions Calculator