Add 84/63 and 30/18
1st number: 1 21/63, 2nd number: 1 12/18
84/63 + 30/18 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
30/18 = 30 × 7/18 × 7 = 210/126 - Add the two like fractions:
168/126 + 210/126 = 168 + 210/126 = 378/126 - 378/126 simplified gives 3/1
- So, 84/63 + 30/18 = 3/1
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