Subtract 18/20 from 36/50
36/50 - 18/20 is -9/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
36/50 = 36 × 2/50 × 2 = 72/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
18/20 = 18 × 5/20 × 5 = 90/100 - Subtract the two like fractions:
72/100 - 90/100 = 72 - 90/100 = -18/100 - After reducing the fraction, the answer is -9/50
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