Add 16/15 and 27/21, Solve 1 1/15 + 1 6/21 as a fraction

Add 16/15 and 27/21

1^st number: 1 1/15, 2^nd number: 1 6/21

16/15 + 27/21 is 247/105.

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,
16/15 = 16 × 7/15 × 7 = 112/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
27/21 = 27 × 5/21 × 5 = 135/105
Add the two like fractions:
112/105 + 135/105 = 112 + 135/105 = 247/105
So, 16/15 + 27/21 = 247/105
In mixed form: 237/105

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