Add 42/2 and 24/21, Solve 21 0/2 + 1 3/21 as a fraction

Add 42/2 and 24/21

1^st number: 21 0/2, 2^nd number: 1 3/21

42/2 + 24/21 is 155/7.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
42/2 = 42 × 21/2 × 21 = 882/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
24/21 = 24 × 2/21 × 2 = 48/42
Add the two like fractions:
882/42 + 48/42 = 882 + 48/42 = 930/42
930/42 simplified gives 155/7
So, 42/2 + 24/21 = 155/7
In mixed form: 221/7

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