Add 81/2 and 18/84
1st number: 40 1/2, 2nd number: 18/84
81/2 + 18/84 is 285/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
81/2 = 81 × 42/2 × 42 = 3402/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
18/84 = 18 × 1/84 × 1 = 18/84 - Add the two like fractions:
3402/84 + 18/84 = 3402 + 18/84 = 3420/84 - 3420/84 simplified gives 285/7
- So, 81/2 + 18/84 = 285/7
In mixed form: 405/7
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