Add 45/3 and 15/21, Solve 15 0/3 + 15/21 as a fraction

Add 45/3 and 15/21

1^st number: 15 0/3, 2^nd number: 15/21

45/3 + 15/21 is 110/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 21 is 21

Next, find the equivalent fraction of both fractional numbers with denominator 21
For the 1st fraction, since 3 × 7 = 21,
45/3 = 45 × 7/3 × 7 = 315/21
Likewise, for the 2nd fraction, since 21 × 1 = 21,
15/21 = 15 × 1/21 × 1 = 15/21
Add the two like fractions:
315/21 + 15/21 = 315 + 15/21 = 330/21
330/21 simplified gives 110/7
So, 45/3 + 15/21 = 110/7
In mixed form: 155/7

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