Add 75/2 and 45/81
1st number: 37 1/2, 2nd number: 45/81
75/2 + 45/81 is 685/18.
Steps for adding fractions
- 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,
75/2 = 75 × 81/2 × 81 = 6075/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
45/81 = 45 × 2/81 × 2 = 90/162 - Add the two like fractions:
6075/162 + 90/162 = 6075 + 90/162 = 6165/162 - 6165/162 simplified gives 685/18
- So, 75/2 + 45/81 = 685/18
In mixed form: 381/18
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