Add 28/7 and 28/9, Solve 4 0/7 + 3 1/9 as a fraction

Add 28/7 and 28/9

1^st number: 4 0/7, 2^nd number: 3 1/9

28/7 + 28/9 is 64/9.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 7 × 9 = 63,
28/7 = 28 × 9/7 × 9 = 252/63
Likewise, for the 2nd fraction, since 9 × 7 = 63,
28/9 = 28 × 7/9 × 7 = 196/63
Add the two like fractions:
252/63 + 196/63 = 252 + 196/63 = 448/63
448/63 simplified gives 64/9
So, 28/7 + 28/9 = 64/9
In mixed form: 71/9

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