Add 15/90 and 30/14, Solve 15/90 + 2 2/14 as a fraction

Add 15/90 and 30/14

1^st number: 15/90, 2^nd number: 2 2/14

15/90 + 30/14 is 97/42.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630
Likewise, for the 2nd fraction, since 14 × 45 = 630,
30/14 = 30 × 45/14 × 45 = 1350/630
Add the two like fractions:
105/630 + 1350/630 = 105 + 1350/630 = 1455/630
1455/630 simplified gives 97/42
So, 15/90 + 30/14 = 97/42
In mixed form: 213/42

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