Add 40/54 and 80/84, Solve 40/54 + 80/84 as a fraction

Add 40/54 and 80/84

40/54 + 80/84 is 320/189.

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,
40/54 = 40 × 14/54 × 14 = 560/756
Likewise, for the 2nd fraction, since 84 × 9 = 756,
80/84 = 80 × 9/84 × 9 = 720/756
Add the two like fractions:
560/756 + 720/756 = 560 + 720/756 = 1280/756
1280/756 simplified gives 320/189
So, 40/54 + 80/84 = 320/189
In mixed form: 1131/189

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