Answers

Subtract 4/45 from 15/63

15/63 - 4/45 is 47/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   15/63 = 15 × 5/63 × 5 = 75/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   4/45 = 4 × 7/45 × 7 = 28/315
4. Subtract the two like fractions:
   75/315 - 28/315 = 75 - 28/315 = 47/315

MathStep (Works offline)

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

Related: ³⁰/₆₃-⁴/₄₅ ¹⁵/₆₃-⁸/₄₅ ¹⁵/₆₃-⁴/₉₀ ⁴⁵/₆₃-⁴/₄₅ ¹⁵/₆₃-¹²/₄₅ ⁷⁵/₆₃-⁴/₄₅ ¹⁵/₆₃-²⁰/₄₅ ¹⁵/₆₃-²⁸/₄₅

Subtract Fractions Calculator