Add 56/9 and 70/21, Solve 6 2/9 + 3 7/21 as a fraction

Add 56/9 and 70/21

1^st number: 6 2/9, 2^nd number: 3 7/21

56/9 + 70/21 is 86/9.

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,
56/9 = 56 × 7/9 × 7 = 392/63
Likewise, for the 2nd fraction, since 21 × 3 = 63,
70/21 = 70 × 3/21 × 3 = 210/63
Add the two like fractions:
392/63 + 210/63 = 392 + 210/63 = 602/63
602/63 simplified gives 86/9
So, 56/9 + 70/21 = 86/9
In mixed form: 95/9

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