Add 70/42 and 16/7, Solve 1 28/42 + 2 2/7 as a fraction

Add 70/42 and 16/7

1^st number: 1 28/42, 2^nd number: 2 2/7

70/42 + 16/7 is 83/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42
Likewise, for the 2nd fraction, since 7 × 6 = 42,
16/7 = 16 × 6/7 × 6 = 96/42
Add the two like fractions:
70/42 + 96/42 = 70 + 96/42 = 166/42
166/42 simplified gives 83/21
So, 70/42 + 16/7 = 83/21
In mixed form: 320/21

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