Add 28/5 and 84/7, Solve 5 3/5 + 12 0/7 as a fraction

Add 28/5 and 84/7

1^st number: 5 3/5, 2^nd number: 12 0/7

28/5 + 84/7 is 88/5.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35

Next, find the equivalent fraction of both fractional numbers with denominator 35
For the 1st fraction, since 5 × 7 = 35,
28/5 = 28 × 7/5 × 7 = 196/35
Likewise, for the 2nd fraction, since 7 × 5 = 35,
84/7 = 84 × 5/7 × 5 = 420/35
Add the two like fractions:
196/35 + 420/35 = 196 + 420/35 = 616/35
616/35 simplified gives 88/5
So, 28/5 + 84/7 = 88/5
In mixed form: 173/5

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