Add 80/84 and 63/80, Solve 80/84 + 63/80 as a fraction

Add 80/84 and 63/80

80/84 + 63/80 is 2923/1680.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 84 × 20 = 1680,
80/84 = 80 × 20/84 × 20 = 1600/1680
Likewise, for the 2nd fraction, since 80 × 21 = 1680,
63/80 = 63 × 21/80 × 21 = 1323/1680
Add the two like fractions:
1600/1680 + 1323/1680 = 1600 + 1323/1680 = 2923/1680
So, 80/84 + 63/80 = 2923/1680
In mixed form: 11243/1680

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