Add 4/42 and 35/20, Solve 4/42 + 1 15/20 as a fraction

Add 4/42 and 35/20

1^st number: 4/42, 2^nd number: 1 15/20

4/42 + 35/20 is 155/84.

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,
4/42 = 4 × 10/42 × 10 = 40/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
35/20 = 35 × 21/20 × 21 = 735/420
Add the two like fractions:
40/420 + 735/420 = 40 + 735/420 = 775/420
775/420 simplified gives 155/84
So, 4/42 + 35/20 = 155/84
In mixed form: 171/84

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