Add 70/42 and 10/8, Solve 1 28/42 + 1 2/8 as a fraction

Add 70/42 and 10/8

1^st number: 1 28/42, 2^nd number: 1 2/8

70/42 + 10/8 is 35/12.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
70/42 = 70 × 4/42 × 4 = 280/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
10/8 = 10 × 21/8 × 21 = 210/168
Add the two like fractions:
280/168 + 210/168 = 280 + 210/168 = 490/168
490/168 simplified gives 35/12
So, 70/42 + 10/8 = 35/12
In mixed form: 211/12

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