Add 18/4 and 7/81
1st number: 4 2/4, 2nd number: 7/81
18/4 + 7/81 is 743/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
18/4 = 18 × 81/4 × 81 = 1458/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
7/81 = 7 × 4/81 × 4 = 28/324 - Add the two like fractions:
1458/324 + 28/324 = 1458 + 28/324 = 1486/324 - 1486/324 simplified gives 743/162
- So, 18/4 + 7/81 = 743/162
In mixed form: 495/162
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