Subtract 48/54 from 21/24
21/24 - 48/54 is -1/72.
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,
48/54 = 48 × 4/54 × 4 = 192/216 - Subtract the two like fractions:
189/216 - 192/216 = 189 - 192/216 = -3/216 - After reducing the fraction, the answer is -1/72
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