Add 8/9 and 84/21, Solve 8/9 + 4 0/21 as a fraction

Add 8/9 and 84/21

1^st number: 8/9, 2^nd number: 4 0/21

8/9 + 84/21 is 44/9.

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,
8/9 = 8 × 7/9 × 7 = 56/63
Likewise, for the 2nd fraction, since 21 × 3 = 63,
84/21 = 84 × 3/21 × 3 = 252/63
Add the two like fractions:
56/63 + 252/63 = 56 + 252/63 = 308/63
308/63 simplified gives 44/9
So, 8/9 + 84/21 = 44/9
In mixed form: 48/9

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