Subtract 70/63 from 6/98, Solve 6/98

Subtract 70/63 from 6/98

1^st number: 6/98, 2^nd number: 1 7/63

6/98 - 70/63 is -463/441.

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,
6/98 = 6 × 9/98 × 9 = 54/882
Likewise, for the 2nd fraction, since 63 × 14 = 882,
70/63 = 70 × 14/63 × 14 = 980/882
Subtract the two like fractions:
54/882 - 980/882 = 54 - 980/882 = -926/882
After reducing the fraction, the answer is -463/441

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