Add 18/4 and 9/84
1st number: 4 2/4, 2nd number: 9/84
18/4 + 9/84 is 129/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
18/4 = 18 × 21/4 × 21 = 378/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84 - Add the two like fractions:
378/84 + 9/84 = 378 + 9/84 = 387/84 - 387/84 simplified gives 129/28
- So, 18/4 + 9/84 = 129/28
In mixed form: 417/28
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