Answers

Subtract 27/3 from 15/90

1^st number: 15/90, 2^nd number: 9 0/3

15/90 - 27/3 is -53/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 3 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   15/90 = 15 × 1/90 × 1 = 15/90
3. Likewise, for the 2nd fraction, since 3 × 30 = 90,
   27/3 = 27 × 30/3 × 30 = 810/90
4. Subtract the two like fractions:
   15/90 - 810/90 = 15 - 810/90 = -795/90
5. After reducing the fraction, the answer is -53/6

MathStep (Works offline)

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

Related: ³⁰/₉₀-²⁷/₃ ¹⁵/₉₀-⁵⁴/₃ ¹⁵/₉₀-²⁷/₆ ⁴⁵/₉₀-²⁷/₃ ¹⁵/₉₀-⁸¹/₃ ¹⁵/₉₀-²⁷/₉ ⁷⁵/₉₀-²⁷/₃ ¹⁵/₉₀-²⁷/₁₅ ¹⁵/₉₀-²⁷/₂₁

Subtract Fractions Calculator