Add 90/84 and 15/54
1st number: 1 6/84, 2nd number: 15/54
90/84 + 15/54 is 85/63.
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,
90/84 = 90 × 9/84 × 9 = 810/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
15/54 = 15 × 14/54 × 14 = 210/756 - Add the two like fractions:
810/756 + 210/756 = 810 + 210/756 = 1020/756 - 1020/756 simplified gives 85/63
- So, 90/84 + 15/54 = 85/63
In mixed form: 122/63
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