Answers

Subtract 48/60 from 27/90

27/90 - 48/60 is -1/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   27/90 = 27 × 2/90 × 2 = 54/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   48/60 = 48 × 3/60 × 3 = 144/180
4. Subtract the two like fractions:
   54/180 - 144/180 = 54 - 144/180 = -90/180
5. After reducing the fraction, the answer is -1/2

MathStep (Works offline)

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

Related: ⁵⁴/₉₀-⁴⁸/₆₀ ²⁷/₉₀-⁹⁶/₆₀ ⁸¹/₉₀-⁴⁸/₆₀

Subtract Fractions Calculator