Add 18/2 and 45/81
1st number: 9 0/2, 2nd number: 45/81
18/2 + 45/81 is 86/9.
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,
18/2 = 18 × 81/2 × 81 = 1458/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
45/81 = 45 × 2/81 × 2 = 90/162 - Add the two like fractions:
1458/162 + 90/162 = 1458 + 90/162 = 1548/162 - 1548/162 simplified gives 86/9
- So, 18/2 + 45/81 = 86/9
In mixed form: 95/9
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