Add 5/2 and 7/21, Solve 2 1/2 + 7/21 as a fraction

Add 5/2 and 7/21

1^st number: 2 1/2, 2^nd number: 7/21

5/2 + 7/21 is 17/6.

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,
5/2 = 5 × 21/2 × 21 = 105/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
7/21 = 7 × 2/21 × 2 = 14/42
Add the two like fractions:
105/42 + 14/42 = 105 + 14/42 = 119/42
119/42 simplified gives 17/6
So, 5/2 + 7/21 = 17/6
In mixed form: 25/6

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