Subtract 12/72 from 18/2
1st number: 9 0/2, 2nd number: 12/72
18/2 - 12/72 is 53/6.
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,
18/2 = 18 × 36/2 × 36 = 648/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Subtract the two like fractions:
648/72 - 12/72 = 648 - 12/72 = 636/72 - After reducing the fraction, the answer is 53/6
- In mixed form: 85/6
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