Add 81/6 and 70/8, Solve 13 3/6 + 8 6/8 as a fraction

Add 81/6 and 70/8

1^st number: 13 3/6, 2^nd number: 8 6/8

81/6 + 70/8 is 89/4.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 6 × 4 = 24,
81/6 = 81 × 4/6 × 4 = 324/24
Likewise, for the 2nd fraction, since 8 × 3 = 24,
70/8 = 70 × 3/8 × 3 = 210/24
Add the two like fractions:
324/24 + 210/24 = 324 + 210/24 = 534/24
534/24 simplified gives 89/4
So, 81/6 + 70/8 = 89/4
In mixed form: 221/4

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