Subtract 10/9 from 70/98, Solve 70/98

Subtract 10/9 from 70/98

1^st number: 70/98, 2^nd number: 1 1/9

70/98 - 10/9 is -25/63.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 9 is 882

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 98 × 9 = 882,
70/98 = 70 × 9/98 × 9 = 630/882
Likewise, for the 2nd fraction, since 9 × 98 = 882,
10/9 = 10 × 98/9 × 98 = 980/882
Subtract the two like fractions:
630/882 - 980/882 = 630 - 980/882 = -350/882
After reducing the fraction, the answer is -25/63

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