Answers

Subtract 70/36 from 27/30

1^st number: 27/30, 2^nd number: 1 34/36

27/30 - 70/36 is -47/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 30 × 6 = 180,
   27/30 = 27 × 6/30 × 6 = 162/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   70/36 = 70 × 5/36 × 5 = 350/180
4. Subtract the two like fractions:
   162/180 - 350/180 = 162 - 350/180 = -188/180
5. After reducing the fraction, the answer is -47/45

MathStep (Works offline)

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

Related: ⁵⁴/₃₀-⁷⁰/₃₆ ²⁷/₆₀-⁷⁰/₃₆ ²⁷/₃₀-⁷⁰/₇₂ ⁸¹/₃₀-⁷⁰/₃₆ ²⁷/₉₀-⁷⁰/₃₆

Subtract Fractions Calculator