Subtract 15/63 from 42/98
42/98 - 15/63 is 4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 63 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
42/98 = 42 × 9/98 × 9 = 378/882 - Likewise, for the 2nd fraction, since 63 × 14 = 882,
15/63 = 15 × 14/63 × 14 = 210/882 - Subtract the two like fractions:
378/882 - 210/882 = 378 - 210/882 = 168/882 - After reducing the fraction, the answer is 4/21
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