Answers

Subtract 42/60 from 30/18

1^st number: 1 12/18, 2^nd number: 42/60

30/18 - 42/60 is 29/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   30/18 = 30 × 10/18 × 10 = 300/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   42/60 = 42 × 3/60 × 3 = 126/180
4. Subtract the two like fractions:
   300/180 - 126/180 = 300 - 126/180 = 174/180
5. After reducing the fraction, the answer is 29/30

MathStep (Works offline)

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

Related: ⁶⁰/₁₈-⁴²/₆₀ ³⁰/₁₈-⁸⁴/₆₀ ³⁰/₃₆-⁴²/₆₀ ⁹⁰/₁₈-⁴²/₆₀ ³⁰/₅₄-⁴²/₆₀ ³⁰/₉₀-⁴²/₆₀

Subtract Fractions Calculator