Subtract 21/90 from 8/24
8/24 - 21/90 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
8/24 = 8 × 15/24 × 15 = 120/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
21/90 = 21 × 4/90 × 4 = 84/360 - Subtract the two like fractions:
120/360 - 84/360 = 120 - 84/360 = 36/360 - After reducing the fraction, the answer is 1/10
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