Subtract 18/50 from 2/40
2/40 - 18/50 is -31/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
2/40 = 2 × 5/40 × 5 = 10/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
18/50 = 18 × 4/50 × 4 = 72/200 - Subtract the two like fractions:
10/200 - 72/200 = 10 - 72/200 = -62/200 - After reducing the fraction, the answer is -31/100
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