Add 6/42 and 18/9
1st number: 6/42, 2nd number: 2 0/9
6/42 + 18/9 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
6/42 = 6 × 3/42 × 3 = 18/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
18/9 = 18 × 14/9 × 14 = 252/126 - Add the two like fractions:
18/126 + 252/126 = 18 + 252/126 = 270/126 - 270/126 simplified gives 15/7
- So, 6/42 + 18/9 = 15/7
In mixed form: 21/7
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