Subtract 18/98 from 10/9, Solve 1 1/9

Subtract 18/98 from 10/9

1^st number: 1 1/9, 2^nd number: 18/98

10/9 - 18/98 is 409/441.

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

Next, find the equivalent fraction of both fractional numbers with denominator 882
For the 1st fraction, since 9 × 98 = 882,
10/9 = 10 × 98/9 × 98 = 980/882
Likewise, for the 2nd fraction, since 98 × 9 = 882,
18/98 = 18 × 9/98 × 9 = 162/882
Subtract the two like fractions:
980/882 - 162/882 = 980 - 162/882 = 818/882
After reducing the fraction, the answer is 409/441

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