Add 80/7 and 5/70, Solve 11 3/7 + 5/70 as a fraction

Add 80/7 and 5/70

1^st number: 11 3/7, 2^nd number: 5/70

80/7 + 5/70 is 23/2.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 7 × 10 = 70,
80/7 = 80 × 10/7 × 10 = 800/70
Likewise, for the 2nd fraction, since 70 × 1 = 70,
5/70 = 5 × 1/70 × 1 = 5/70
Add the two like fractions:
800/70 + 5/70 = 800 + 5/70 = 805/70
805/70 simplified gives 23/2
So, 80/7 + 5/70 = 23/2
In mixed form: 111/2

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