Answers

Subtract 90/36 from 30/4

1^st number: 7 2/4, 2^nd number: 2 18/36

30/4 - 90/36 is 5/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 36 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 4 × 9 = 36,
   30/4 = 30 × 9/4 × 9 = 270/36
3. Likewise, for the 2nd fraction, since 36 × 1 = 36,
   90/36 = 90 × 1/36 × 1 = 90/36
4. Subtract the two like fractions:
   270/36 - 90/36 = 270 - 90/36 = 180/36
5. After reducing the fraction, the answer is 5/1

MathStep (Works offline)

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

Related: ⁶⁰/₄-⁹⁰/₃₆ ³⁰/₈-⁹⁰/₃₆ ³⁰/₄-⁹⁰/₇₂ ⁹⁰/₄-⁹⁰/₃₆ ³⁰/₁₂-⁹⁰/₃₆ ³⁰/₂₀-⁹⁰/₃₆ ³⁰/₂₈-⁹⁰/₃₆

Subtract Fractions Calculator