Subtract 3/81 from 56/2, Solve 28 0/2

Subtract 3/81 from 56/2

1^st number: 28 0/2, 2^nd number: 3/81

56/2 - 3/81 is 755/27.

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,
56/2 = 56 × 81/2 × 81 = 4536/162
Likewise, for the 2nd fraction, since 81 × 2 = 162,
3/81 = 3 × 2/81 × 2 = 6/162
Subtract the two like fractions:
4536/162 - 6/162 = 4536 - 6/162 = 4530/162
After reducing the fraction, the answer is 755/27
In mixed form: 2726/27

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