Subtract 15/90 from 24/27
24/27 - 15/90 is 13/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
24/27 = 24 × 10/27 × 10 = 240/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
15/90 = 15 × 3/90 × 3 = 45/270 - Subtract the two like fractions:
240/270 - 45/270 = 240 - 45/270 = 195/270 - After reducing the fraction, the answer is 13/18
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