Subtract 81/75 from 12/18
1st number: 12/18, 2nd number: 1 6/75
12/18 - 81/75 is -31/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
12/18 = 12 × 25/18 × 25 = 300/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
81/75 = 81 × 6/75 × 6 = 486/450 - Subtract the two like fractions:
300/450 - 486/450 = 300 - 486/450 = -186/450 - After reducing the fraction, the answer is -31/75
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