Answers

Subtract 24/90 from 3/30

3/30 - 24/90 is -1/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 90 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   3/30 = 3 × 3/30 × 3 = 9/90
3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
   24/90 = 24 × 1/90 × 1 = 24/90
4. Subtract the two like fractions:
   9/90 - 24/90 = 9 - 24/90 = -15/90
5. After reducing the fraction, the answer is -1/6

MathStep (Works offline)

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

Related: ⁶/₃₀-²⁴/₉₀ ³/₃₀-⁴⁸/₉₀ ³/₆₀-²⁴/₉₀ ⁹/₃₀-²⁴/₉₀ ³/₃₀-⁷²/₉₀ ³/₉₀-²⁴/₉₀ ¹⁵/₃₀-²⁴/₉₀ ²¹/₃₀-²⁴/₉₀

Subtract Fractions Calculator