Answers

Subtract 6/84 from 1/63

1/63 - 6/84 is -1/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   1/63 = 1 × 4/63 × 4 = 4/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   6/84 = 6 × 3/84 × 3 = 18/252
4. Subtract the two like fractions:
   4/252 - 18/252 = 4 - 18/252 = -14/252
5. After reducing the fraction, the answer is -1/18

MathStep (Works offline)

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

Related: ²/₆₃-⁶/₈₄ ¹/₆₃-¹²/₈₄ ³/₆₃-⁶/₈₄ ¹/₆₃-¹⁸/₈₄ ⁵/₆₃-⁶/₈₄ ¹/₆₃-³⁰/₈₄ ⁷/₆₃-⁶/₈₄ ¹/₆₃-⁴²/₈₄

Subtract Fractions Calculator