Add 18/84 and 72/54
1st number: 18/84, 2nd number: 1 18/54
18/84 + 72/54 is 65/42.
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,
72/54 = 72 × 14/54 × 14 = 1008/756 - Add the two like fractions:
162/756 + 1008/756 = 162 + 1008/756 = 1170/756 - 1170/756 simplified gives 65/42
- So, 18/84 + 72/54 = 65/42
In mixed form: 123/42
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