Add 63/15 and 21/7, Solve 4 3/15 + 3 0/7 as a fraction

Add 63/15 and 21/7

1^st number: 4 3/15, 2^nd number: 3 0/7

63/15 + 21/7 is 36/5.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
63/15 = 63 × 7/15 × 7 = 441/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
21/7 = 21 × 15/7 × 15 = 315/105
Add the two like fractions:
441/105 + 315/105 = 441 + 315/105 = 756/105
756/105 simplified gives 36/5
So, 63/15 + 21/7 = 36/5
In mixed form: 71/5

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