Add 12/18 and 21/14
1st number: 12/18, 2nd number: 1 7/14
12/18 + 21/14 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
12/18 = 12 × 7/18 × 7 = 84/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
21/14 = 21 × 9/14 × 9 = 189/126 - Add the two like fractions:
84/126 + 189/126 = 84 + 189/126 = 273/126 - 273/126 simplified gives 13/6
- So, 12/18 + 21/14 = 13/6
In mixed form: 21/6
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