Add 6/21 and 35/15, Solve 6/21 + 2 5/15 as a fraction

Add 6/21 and 35/15

1^st number: 6/21, 2^nd number: 2 5/15

6/21 + 35/15 is 55/21.

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

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
6/21 = 6 × 5/21 × 5 = 30/105
Likewise, for the 2nd fraction, since 15 × 7 = 105,
35/15 = 35 × 7/15 × 7 = 245/105
Add the two like fractions:
30/105 + 245/105 = 30 + 245/105 = 275/105
275/105 simplified gives 55/21
So, 6/21 + 35/15 = 55/21
In mixed form: 213/21

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