Add 28/10 and 36/42, Solve 2 8/10 + 36/42 as a fraction

Add 28/10 and 36/42

1^st number: 2 8/10, 2^nd number: 36/42

28/10 + 36/42 is 128/35.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
28/10 = 28 × 21/10 × 21 = 588/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
36/42 = 36 × 5/42 × 5 = 180/210
Add the two like fractions:
588/210 + 180/210 = 588 + 180/210 = 768/210
768/210 simplified gives 128/35
So, 28/10 + 36/42 = 128/35
In mixed form: 323/35

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