Add 18/12 and 7/42
1st number: 1 6/12, 2nd number: 7/42
18/12 + 7/42 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Add the two like fractions:
126/84 + 14/84 = 126 + 14/84 = 140/84 - 140/84 simplified gives 5/3
- So, 18/12 + 7/42 = 5/3
In mixed form: 12/3
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