Answers

Subtract 50/90 from 40/54

40/54 - 50/90 is 5/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   40/54 = 40 × 5/54 × 5 = 200/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   50/90 = 50 × 3/90 × 3 = 150/270
4. Subtract the two like fractions:
   200/270 - 150/270 = 200 - 150/270 = 50/270
5. After reducing the fraction, the answer is 5/27

MathStep (Works offline)

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

Related: ⁸⁰/₅₄-⁵⁰/₉₀

Subtract Fractions Calculator