Add 8/20 and 75/42, Solve 8/20 + 1 33/42 as a fraction

Add 8/20 and 75/42

1^st number: 8/20, 2^nd number: 1 33/42

8/20 + 75/42 is 153/70.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
8/20 = 8 × 21/20 × 21 = 168/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
75/42 = 75 × 10/42 × 10 = 750/420
Add the two like fractions:
168/420 + 750/420 = 168 + 750/420 = 918/420
918/420 simplified gives 153/70
So, 8/20 + 75/42 = 153/70
In mixed form: 213/70

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