Answers

Subtract 42/64 from 5/63

5/63 - 42/64 is -1163/2016.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 64 is 4032
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4032
2. For the 1st fraction, since 63 × 64 = 4032,
   5/63 = 5 × 64/63 × 64 = 320/4032
3. Likewise, for the 2nd fraction, since 64 × 63 = 4032,
   42/64 = 42 × 63/64 × 63 = 2646/4032
4. Subtract the two like fractions:
   320/4032 - 2646/4032 = 320 - 2646/4032 = -2326/4032
5. After reducing the fraction, the answer is -1163/2016

MathStep (Works offline)

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

Related: ¹⁰/₆₃-⁴²/₆₄ ⁵/₆₃-⁸⁴/₆₄ ¹⁵/₆₃-⁴²/₆₄ ²⁵/₆₃-⁴²/₆₄ ³⁵/₆₃-⁴²/₆₄

Subtract Fractions Calculator