Subtract 63/98 from 20/50
20/50 - 63/98 is -17/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 98 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 50 × 49 = 2450,
20/50 = 20 × 49/50 × 49 = 980/2450 - Likewise, for the 2nd fraction, since 98 × 25 = 2450,
63/98 = 63 × 25/98 × 25 = 1575/2450 - Subtract the two like fractions:
980/2450 - 1575/2450 = 980 - 1575/2450 = -595/2450 - After reducing the fraction, the answer is -17/70
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