Subtract 45/50 from 42/98
42/98 - 45/50 is -33/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 50 is 2450
Next, find the equivalent fraction of both fractional numbers with denominator 2450 - For the 1st fraction, since 98 × 25 = 2450,
42/98 = 42 × 25/98 × 25 = 1050/2450 - Likewise, for the 2nd fraction, since 50 × 49 = 2450,
45/50 = 45 × 49/50 × 49 = 2205/2450 - Subtract the two like fractions:
1050/2450 - 2205/2450 = 1050 - 2205/2450 = -1155/2450 - After reducing the fraction, the answer is -33/70
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