Add 63/12 and 40/7, Solve 5 3/12 + 5 5/7 as a fraction

Add 63/12 and 40/7

1^st number: 5 3/12, 2^nd number: 5 5/7

63/12 + 40/7 is 307/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 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 7 × 12 = 84,
40/7 = 40 × 12/7 × 12 = 480/84
Add the two like fractions:
441/84 + 480/84 = 441 + 480/84 = 921/84
921/84 simplified gives 307/28
So, 63/12 + 40/7 = 307/28
In mixed form: 1027/28

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