Subtract 9/10 from 98/45, Solve 2 8/45

Subtract 9/10 from 98/45

1^st number: 2 8/45, 2^nd number: 9/10

98/45 - 9/10 is 23/18.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 45 × 2 = 90,
98/45 = 98 × 2/45 × 2 = 196/90
Likewise, for the 2nd fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90
Subtract the two like fractions:
196/90 - 81/90 = 196 - 81/90 = 115/90
After reducing the fraction, the answer is 23/18
In mixed form: 15/18

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