Add 30/12 and 40/63, Solve 2 6/12 + 40/63 as a fraction

Add 30/12 and 40/63

1^st number: 2 6/12, 2^nd number: 40/63

30/12 + 40/63 is 395/126.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
30/12 = 30 × 21/12 × 21 = 630/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
40/63 = 40 × 4/63 × 4 = 160/252
Add the two like fractions:
630/252 + 160/252 = 630 + 160/252 = 790/252
790/252 simplified gives 395/126
So, 30/12 + 40/63 = 395/126
In mixed form: 317/126

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