Add 27/5 and 50/21, Solve 5 2/5 + 2 8/21 as a fraction

Add 27/5 and 50/21

1^st number: 5 2/5, 2^nd number: 2 8/21

27/5 + 50/21 is 817/105.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 5 × 21 = 105,
27/5 = 27 × 21/5 × 21 = 567/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
50/21 = 50 × 5/21 × 5 = 250/105
Add the two like fractions:
567/105 + 250/105 = 567 + 250/105 = 817/105
So, 27/5 + 50/21 = 817/105
In mixed form: 782/105

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