Subtract 81/50 from 18/75
1st number: 18/75, 2nd number: 1 31/50
18/75 - 81/50 is -69/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
18/75 = 18 × 2/75 × 2 = 36/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
81/50 = 81 × 3/50 × 3 = 243/150 - Subtract the two like fractions:
36/150 - 243/150 = 36 - 243/150 = -207/150 - After reducing the fraction, the answer is -69/50
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