Subtract 5/10 from 42/98
42/98 - 5/10 is -1/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
42/98 = 42 × 5/98 × 5 = 210/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
5/10 = 5 × 49/10 × 49 = 245/490 - Subtract the two like fractions:
210/490 - 245/490 = 210 - 245/490 = -35/490 - After reducing the fraction, the answer is -1/14
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