Subtract 48/54 from 45/72
45/72 - 48/54 is -19/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
45/72 = 45 × 3/72 × 3 = 135/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
48/54 = 48 × 4/54 × 4 = 192/216 - Subtract the two like fractions:
135/216 - 192/216 = 135 - 192/216 = -57/216 - After reducing the fraction, the answer is -19/72
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