Add 20/2 and 42/84, Solve 10 0/2 + 42/84 as a fraction

Add 20/2 and 42/84

1^st number: 10 0/2, 2^nd number: 42/84

20/2 + 42/84 is 21/2.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 2 × 42 = 84,
20/2 = 20 × 42/2 × 42 = 840/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84
Add the two like fractions:
840/84 + 42/84 = 840 + 42/84 = 882/84
882/84 simplified gives 21/2
So, 20/2 + 42/84 = 21/2
In mixed form: 101/2

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