Add 21/42 and 24/10, Solve 21/42 + 2 4/10 as a fraction

Add 21/42 and 24/10

1^st number: 21/42, 2^nd number: 2 4/10

21/42 + 24/10 is 29/10.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
21/42 = 21 × 5/42 × 5 = 105/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
24/10 = 24 × 21/10 × 21 = 504/210
Add the two like fractions:
105/210 + 504/210 = 105 + 504/210 = 609/210
609/210 simplified gives 29/10
So, 21/42 + 24/10 = 29/10
In mixed form: 29/10

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