Add 20/7 and 27/80, Solve 2 6/7 + 27/80 as a fraction

Add 20/7 and 27/80

1^st number: 2 6/7, 2^nd number: 27/80

20/7 + 27/80 is 1789/560.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 7 × 80 = 560,
20/7 = 20 × 80/7 × 80 = 1600/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
27/80 = 27 × 7/80 × 7 = 189/560
Add the two like fractions:
1600/560 + 189/560 = 1600 + 189/560 = 1789/560
So, 20/7 + 27/80 = 1789/560
In mixed form: 3109/560

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