Answers

Subtract 6/72 from 1/63

1/63 - 6/72 is -17/252.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   1/63 = 1 × 8/63 × 8 = 8/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   6/72 = 6 × 7/72 × 7 = 42/504
4. Subtract the two like fractions:
   8/504 - 42/504 = 8 - 42/504 = -34/504
5. After reducing the fraction, the answer is -17/252

MathStep (Works offline)

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

Related: ²/₆₃-⁶/₇₂ ¹/₆₃-¹²/₇₂ ³/₆₃-⁶/₇₂ ¹/₆₃-¹⁸/₇₂ ⁵/₆₃-⁶/₇₂ ¹/₆₃-³⁰/₇₂ ⁷/₆₃-⁶/₇₂ ¹/₆₃-⁴²/₇₂

Subtract Fractions Calculator