Subtract 40/50 from 20/49
20/49 - 40/50 is -96/245.
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,
20/49 = 20 × 50/49 × 50 = 1000/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
40/50 = 40 × 49/50 × 49 = 1960/2450 - Subtract the two like fractions:
1000/2450 - 1960/2450 = 1000 - 1960/2450 = -960/2450 - After reducing the fraction, the answer is -96/245
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