Subtract 40/50 from 18/49
18/49 - 40/50 is -106/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 50 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 49 × 50 = 2450,
18/49 = 18 × 50/49 × 50 = 900/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
40/50 = 40 × 49/50 × 49 = 1960/2450 - Subtract the two like fractions:
900/2450 - 1960/2450 = 900 - 1960/2450 = -1060/2450 - After reducing the fraction, the answer is -106/245
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