Add 1/18 and 49/42
1st number: 1/18, 2nd number: 1 7/42
1/18 + 49/42 is 11/9.
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,
1/18 = 1 × 7/18 × 7 = 7/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
49/42 = 49 × 3/42 × 3 = 147/126 - Add the two like fractions:
7/126 + 147/126 = 7 + 147/126 = 154/126 - 154/126 simplified gives 11/9
- So, 1/18 + 49/42 = 11/9
In mixed form: 12/9
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