Answers

Subtract 90/6 from 36/45

1^st number: 36/45, 2^nd number: 15 0/6

36/45 - 90/6 is -71/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 6 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   36/45 = 36 × 2/45 × 2 = 72/90
3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
   90/6 = 90 × 15/6 × 15 = 1350/90
4. Subtract the two like fractions:
   72/90 - 1350/90 = 72 - 1350/90 = -1278/90
5. After reducing the fraction, the answer is -71/5

MathStep (Works offline)

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

Related: ⁷²/₄₅-⁹⁰/₆ ³⁶/₉₀-⁹⁰/₆ ³⁶/₄₅-⁹⁰/₁₂ ³⁶/₄₅-⁹⁰/₁₈ ³⁶/₄₅-⁹⁰/₃₀ ³⁶/₄₅-⁹⁰/₄₂

Subtract Fractions Calculator