Add 8/42 and 35/20, Solve 8/42 + 1 15/20 as a fraction

Add 8/42 and 35/20

1^st number: 8/42, 2^nd number: 1 15/20

8/42 + 35/20 is 163/84.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
8/42 = 8 × 10/42 × 10 = 80/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
35/20 = 35 × 21/20 × 21 = 735/420
Add the two like fractions:
80/420 + 735/420 = 80 + 735/420 = 815/420
815/420 simplified gives 163/84
So, 8/42 + 35/20 = 163/84
In mixed form: 179/84

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