Subtract 1/40 from 18/75
18/75 - 1/40 is 43/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
18/75 = 18 × 8/75 × 8 = 144/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
1/40 = 1 × 15/40 × 15 = 15/600 - Subtract the two like fractions:
144/600 - 15/600 = 144 - 15/600 = 129/600 - After reducing the fraction, the answer is 43/200
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