Subtract 7/81 from 98/2, Solve 49 0/2

Subtract 7/81 from 98/2

1^st number: 49 0/2, 2^nd number: 7/81

98/2 - 7/81 is 3962/81.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162

Next, find the equivalent fraction of both fractional numbers with denominator 162
For the 1st fraction, since 2 × 81 = 162,
98/2 = 98 × 81/2 × 81 = 7938/162
Likewise, for the 2nd fraction, since 81 × 2 = 162,
7/81 = 7 × 2/81 × 2 = 14/162
Subtract the two like fractions:
7938/162 - 14/162 = 7938 - 14/162 = 7924/162
After reducing the fraction, the answer is 3962/81
In mixed form: 4874/81

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