Add 30/28 and 9/63, Solve 1 2/28 + 9/63 as a fraction

Add 30/28 and 9/63

1^st number: 1 2/28, 2^nd number: 9/63

30/28 + 9/63 is 17/14.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
30/28 = 30 × 9/28 × 9 = 270/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
9/63 = 9 × 4/63 × 4 = 36/252
Add the two like fractions:
270/252 + 36/252 = 270 + 36/252 = 306/252
306/252 simplified gives 17/14
So, 30/28 + 9/63 = 17/14
In mixed form: 13/14

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