Add 3/20 and 50/42, Solve 3/20 + 1 8/42 as a fraction

Add 3/20 and 50/42

1^st number: 3/20, 2^nd number: 1 8/42

3/20 + 50/42 is 563/420.

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,
3/20 = 3 × 21/20 × 21 = 63/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
50/42 = 50 × 10/42 × 10 = 500/420
Add the two like fractions:
63/420 + 500/420 = 63 + 500/420 = 563/420
So, 3/20 + 50/42 = 563/420
In mixed form: 1143/420

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