Answers

Subtract 10/54 from 90/30

1^st number: 3 0/30, 2^nd number: 10/54

90/30 - 10/54 is 76/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 30 × 9 = 270,
   90/30 = 90 × 9/30 × 9 = 810/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   10/54 = 10 × 5/54 × 5 = 50/270
4. Subtract the two like fractions:
   810/270 - 50/270 = 810 - 50/270 = 760/270
5. After reducing the fraction, the answer is 76/27
6. In mixed form: 222/27

MathStep (Works offline)

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

Related: ⁹⁰/₃₀-²⁰/₅₄ ⁹⁰/₆₀-¹⁰/₅₄ ⁹⁰/₃₀-³⁰/₅₄ ⁹⁰/₃₀-⁵⁰/₅₄ ⁹⁰/₃₀-⁷⁰/₅₄

Subtract Fractions Calculator