Add 63/9 and 35/21, Solve 7 0/9 + 1 14/21 as a fraction

Add 63/9 and 35/21

1^st number: 7 0/9, 2^nd number: 1 14/21

63/9 + 35/21 is 26/3.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 9 × 7 = 63,
63/9 = 63 × 7/9 × 7 = 441/63
Likewise, for the 2nd fraction, since 21 × 3 = 63,
35/21 = 35 × 3/21 × 3 = 105/63
Add the two like fractions:
441/63 + 105/63 = 441 + 105/63 = 546/63
546/63 simplified gives 26/3
So, 63/9 + 35/21 = 26/3
In mixed form: 82/3

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