Subtract 81/6 from 18/72
1st number: 18/72, 2nd number: 13 3/6
18/72 - 81/6 is -53/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
81/6 = 81 × 12/6 × 12 = 972/72 - Subtract the two like fractions:
18/72 - 972/72 = 18 - 972/72 = -954/72 - After reducing the fraction, the answer is -53/4
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