Add 45/30 and 15/21, Solve 1 15/30 + 15/21 as a fraction

Add 45/30 and 15/21

1^st number: 1 15/30, 2^nd number: 15/21

45/30 + 15/21 is 31/14.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
45/30 = 45 × 7/30 × 7 = 315/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
15/21 = 15 × 10/21 × 10 = 150/210
Add the two like fractions:
315/210 + 150/210 = 315 + 150/210 = 465/210
465/210 simplified gives 31/14
So, 45/30 + 15/21 = 31/14
In mixed form: 23/14

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