Add 5/15 and 45/21, Solve 5/15 + 2 3/21 as a fraction

Add 5/15 and 45/21

1^st number: 5/15, 2^nd number: 2 3/21

5/15 + 45/21 is 52/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
5/15 = 5 × 7/15 × 7 = 35/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
45/21 = 45 × 5/21 × 5 = 225/105
Add the two like fractions:
35/105 + 225/105 = 35 + 225/105 = 260/105
260/105 simplified gives 52/21
So, 5/15 + 45/21 = 52/21
In mixed form: 210/21

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