Subtract 28/63 from 42/98
42/98 - 28/63 is -1/63.
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,
28/63 = 28 × 14/63 × 14 = 392/882 - Subtract the two like fractions:
378/882 - 392/882 = 378 - 392/882 = -14/882 - After reducing the fraction, the answer is -1/63
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