Add 9/7 and 20/80, Solve 1 2/7 + 20/80 as a fraction

Add 9/7 and 20/80

1^st number: 1 2/7, 2^nd number: 20/80

9/7 + 20/80 is 43/28.

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,
9/7 = 9 × 80/7 × 80 = 720/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560
Add the two like fractions:
720/560 + 140/560 = 720 + 140/560 = 860/560
860/560 simplified gives 43/28
So, 9/7 + 20/80 = 43/28
In mixed form: 115/28

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