Add 18/63 and 21/14
1st number: 18/63, 2nd number: 1 7/14
18/63 + 21/14 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
21/14 = 21 × 9/14 × 9 = 189/126 - Add the two like fractions:
36/126 + 189/126 = 36 + 189/126 = 225/126 - 225/126 simplified gives 25/14
- So, 18/63 + 21/14 = 25/14
In mixed form: 111/14
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