Add 80/84 and 45/54
80/84 + 45/54 is 25/14.
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,
80/84 = 80 × 9/84 × 9 = 720/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
45/54 = 45 × 14/54 × 14 = 630/756 - Add the two like fractions:
720/756 + 630/756 = 720 + 630/756 = 1350/756 - 1350/756 simplified gives 25/14
- So, 80/84 + 45/54 = 25/14
In mixed form: 111/14
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