Add 90/54 and 80/84
1st number: 1 36/54, 2nd number: 80/84
90/54 + 80/84 is 55/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
90/54 = 90 × 14/54 × 14 = 1260/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
80/84 = 80 × 9/84 × 9 = 720/756 - Add the two like fractions:
1260/756 + 720/756 = 1260 + 720/756 = 1980/756 - 1980/756 simplified gives 55/21
- So, 90/54 + 80/84 = 55/21
In mixed form: 213/21
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