Add 84/42 and 9/18
1st number: 2 0/42, 2nd number: 9/18
84/42 + 9/18 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
84/42 = 84 × 3/42 × 3 = 252/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
9/18 = 9 × 7/18 × 7 = 63/126 - Add the two like fractions:
252/126 + 63/126 = 252 + 63/126 = 315/126 - 315/126 simplified gives 5/2
- So, 84/42 + 9/18 = 5/2
In mixed form: 21/2
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