Add 7/21 and 50/15, Solve 7/21 + 3 5/15 as a fraction

Add 7/21 and 50/15

1^st number: 7/21, 2^nd number: 3 5/15

7/21 + 50/15 is 11/3.

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,
7/21 = 7 × 5/21 × 5 = 35/105
Likewise, for the 2nd fraction, since 15 × 7 = 105,
50/15 = 50 × 7/15 × 7 = 350/105
Add the two like fractions:
35/105 + 350/105 = 35 + 350/105 = 385/105
385/105 simplified gives 11/3
So, 7/21 + 50/15 = 11/3
In mixed form: 32/3

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