Subtract 18/8 from 54/72
1st number: 54/72, 2nd number: 2 2/8
54/72 - 18/8 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
54/72 = 54 × 1/72 × 1 = 54/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Subtract the two like fractions:
54/72 - 162/72 = 54 - 162/72 = -108/72 - After reducing the fraction, the answer is -3/2
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