Subtract 81/72 from 12/2
1st number: 6 0/2, 2nd number: 1 9/72
12/2 - 81/72 is 39/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
12/2 = 12 × 36/2 × 36 = 432/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Subtract the two like fractions:
432/72 - 81/72 = 432 - 81/72 = 351/72 - After reducing the fraction, the answer is 39/8
- In mixed form: 47/8
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