Subtract 2/81 from 4/2, Solve 2 0/2

Subtract 2/81 from 4/2

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

4/2 - 2/81 is 160/81.

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,
4/2 = 4 × 81/2 × 81 = 324/162
Likewise, for the 2nd fraction, since 81 × 2 = 162,
2/81 = 2 × 2/81 × 2 = 4/162
Subtract the two like fractions:
324/162 - 4/162 = 324 - 4/162 = 320/162
After reducing the fraction, the answer is 160/81
In mixed form: 179/81

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