Add 84/63 and 30/54
1st number: 1 21/63, 2nd number: 30/54
84/63 + 30/54 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 63 × 6 = 378,
84/63 = 84 × 6/63 × 6 = 504/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
30/54 = 30 × 7/54 × 7 = 210/378 - Add the two like fractions:
504/378 + 210/378 = 504 + 210/378 = 714/378 - 714/378 simplified gives 17/9
- So, 84/63 + 30/54 = 17/9
In mixed form: 18/9
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