Add 18/84 and 63/54
1st number: 18/84, 2nd number: 1 9/54
18/84 + 63/54 is 29/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
18/84 = 18 × 9/84 × 9 = 162/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
63/54 = 63 × 14/54 × 14 = 882/756 - Add the two like fractions:
162/756 + 882/756 = 162 + 882/756 = 1044/756 - 1044/756 simplified gives 29/21
- So, 18/84 + 63/54 = 29/21
In mixed form: 18/21
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