Add 84/18 and 9/42
1st number: 4 12/18, 2nd number: 9/42
84/18 + 9/42 is 205/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
84/18 = 84 × 7/18 × 7 = 588/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
9/42 = 9 × 3/42 × 3 = 27/126 - Add the two like fractions:
588/126 + 27/126 = 588 + 27/126 = 615/126 - 615/126 simplified gives 205/42
- So, 84/18 + 9/42 = 205/42
In mixed form: 437/42
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