Add 27/5 and 9/21, Solve 5 2/5 + 9/21 as a fraction

Add 27/5 and 9/21

1^st number: 5 2/5, 2^nd number: 9/21

27/5 + 9/21 is 204/35.

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,
9/21 = 9 × 5/21 × 5 = 45/105
Add the two like fractions:
567/105 + 45/105 = 567 + 45/105 = 612/105
612/105 simplified gives 204/35
So, 27/5 + 9/21 = 204/35
In mixed form: 529/35

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