Subtract 20/50 from 15/49
15/49 - 20/50 is -23/245.
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,
15/49 = 15 × 50/49 × 50 = 750/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
20/50 = 20 × 49/50 × 49 = 980/2450 - Subtract the two like fractions:
750/2450 - 980/2450 = 750 - 980/2450 = -230/2450 - After reducing the fraction, the answer is -23/245
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