Answers

Subtract 64/45 from 63/16

1^st number: 3 15/16, 2^nd number: 1 19/45

63/16 - 64/45 is 1811/720.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 16 × 45 = 720,
   63/16 = 63 × 45/16 × 45 = 2835/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   64/45 = 64 × 16/45 × 16 = 1024/720
4. Subtract the two like fractions:
   2835/720 - 1024/720 = 2835 - 1024/720 = 1811/720
5. In mixed form: 2371/720

MathStep (Works offline)

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

Related: ⁶³/₃₂-⁶⁴/₄₅ ⁶³/₁₆-⁶⁴/₉₀ ⁶³/₄₈-⁶⁴/₄₅ ⁶³/₈₀-⁶⁴/₄₅

Subtract Fractions Calculator