Add 21/15 and 6/35, Solve 1 6/15 + 6/35 as a fraction

Add 21/15 and 6/35

1^st number: 1 6/15, 2^nd number: 6/35

21/15 + 6/35 is 11/7.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
21/15 = 21 × 7/15 × 7 = 147/105
Likewise, for the 2nd fraction, since 35 × 3 = 105,
6/35 = 6 × 3/35 × 3 = 18/105
Add the two like fractions:
147/105 + 18/105 = 147 + 18/105 = 165/105
165/105 simplified gives 11/7
So, 21/15 + 6/35 = 11/7
In mixed form: 14/7

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