Subtract 9/54 from 21/24
21/24 - 9/54 is 17/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
21/24 = 21 × 9/24 × 9 = 189/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
9/54 = 9 × 4/54 × 4 = 36/216 - Subtract the two like fractions:
189/216 - 36/216 = 189 - 36/216 = 153/216 - After reducing the fraction, the answer is 17/24
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