Answers

Subtract 30/64 from 63/4

1^st number: 15 3/4, 2^nd number: 30/64

63/4 - 30/64 is 489/32.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 64 is 64
   
   Next, find the equivalent fraction of both fractional numbers with denominator 64
2. For the 1st fraction, since 4 × 16 = 64,
   63/4 = 63 × 16/4 × 16 = 1008/64
3. Likewise, for the 2nd fraction, since 64 × 1 = 64,
   30/64 = 30 × 1/64 × 1 = 30/64
4. Subtract the two like fractions:
   1008/64 - 30/64 = 1008 - 30/64 = 978/64
5. After reducing the fraction, the answer is 489/32
6. In mixed form: 159/32

MathStep (Works offline)

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

Related: ⁶³/₄-⁶⁰/₆₄ ⁶³/₈-³⁰/₆₄ ⁶³/₄-⁹⁰/₆₄ ⁶³/₁₂-³⁰/₆₄ ⁶³/₂₀-³⁰/₆₄ ⁶³/₂₈-³⁰/₆₄

Subtract Fractions Calculator