Add 70/7 and 9/80, Solve 10 0/7 + 9/80 as a fraction

Add 70/7 and 9/80

1^st number: 10 0/7, 2^nd number: 9/80

70/7 + 9/80 is 809/80.

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,
70/7 = 70 × 80/7 × 80 = 5600/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
9/80 = 9 × 7/80 × 7 = 63/560
Add the two like fractions:
5600/560 + 63/560 = 5600 + 63/560 = 5663/560
5663/560 simplified gives 809/80
So, 70/7 + 9/80 = 809/80
In mixed form: 109/80

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