Answers

Subtract 50/9 from 54/90

1^st number: 54/90, 2^nd number: 5 5/9

54/90 - 50/9 is -223/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 9 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   54/90 = 54 × 1/90 × 1 = 54/90
3. Likewise, for the 2nd fraction, since 9 × 10 = 90,
   50/9 = 50 × 10/9 × 10 = 500/90
4. Subtract the two like fractions:
   54/90 - 500/90 = 54 - 500/90 = -446/90
5. After reducing the fraction, the answer is -223/45

MathStep (Works offline)

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

Related: ⁵⁴/₉₀-⁵⁰/₁₈ ⁵⁴/₉₀-⁵⁰/₂₇ ⁵⁴/₉₀-⁵⁰/₄₅ ⁵⁴/₉₀-⁵⁰/₆₃

Subtract Fractions Calculator