Answers

Subtract 8/18 from 75/30

1^st number: 2 15/30, 2^nd number: 8/18

75/30 - 8/18 is 37/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 18 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   75/30 = 75 × 3/30 × 3 = 225/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   8/18 = 8 × 5/18 × 5 = 40/90
4. Subtract the two like fractions:
   225/90 - 40/90 = 225 - 40/90 = 185/90
5. After reducing the fraction, the answer is 37/18
6. In mixed form: 21/18

MathStep (Works offline)

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

Related: ⁷⁵/₃₀-¹⁶/₁₈ ⁷⁵/₆₀-⁸/₁₈ ⁷⁵/₃₀-⁸/₃₆ ⁷⁵/₃₀-²⁴/₁₈ ⁷⁵/₉₀-⁸/₁₈ ⁷⁵/₃₀-⁸/₅₄ ⁷⁵/₃₀-⁴⁰/₁₈ ⁷⁵/₃₀-⁸/₉₀ ⁷⁵/₃₀-⁵⁶/₁₈

Subtract Fractions Calculator