Add 63/12 and 30/28, Solve 5 3/12 + 1 2/28 as a fraction

Add 63/12 and 30/28

1^st number: 5 3/12, 2^nd number: 1 2/28

63/12 + 30/28 is 177/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
63/12 = 63 × 7/12 × 7 = 441/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84
Add the two like fractions:
441/84 + 90/84 = 441 + 90/84 = 531/84
531/84 simplified gives 177/28
So, 63/12 + 30/28 = 177/28
In mixed form: 69/28

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