Add 9/18 and 45/81
9/18 + 45/81 is 19/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
9/18 = 9 × 9/18 × 9 = 81/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
45/81 = 45 × 2/81 × 2 = 90/162 - Add the two like fractions:
81/162 + 90/162 = 81 + 90/162 = 171/162 - 171/162 simplified gives 19/18
- So, 9/18 + 45/81 = 19/18
In mixed form: 11/18
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