Add 63/18 and 30/35, Solve 3 9/18 + 30/35 as a fraction

Add 63/18 and 30/35

1^st number: 3 9/18, 2^nd number: 30/35

63/18 + 30/35 is 61/14.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
63/18 = 63 × 35/18 × 35 = 2205/630
Likewise, for the 2nd fraction, since 35 × 18 = 630,
30/35 = 30 × 18/35 × 18 = 540/630
Add the two like fractions:
2205/630 + 540/630 = 2205 + 540/630 = 2745/630
2745/630 simplified gives 61/14
So, 63/18 + 30/35 = 61/14
In mixed form: 45/14

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