Add 81/9 and 4/28, Solve 9 0/9 + 4/28 as a fraction

Add 81/9 and 4/28

1^st number: 9 0/9, 2^nd number: 4/28

81/9 + 4/28 is 64/7.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 9 × 28 = 252,
81/9 = 81 × 28/9 × 28 = 2268/252
Likewise, for the 2nd fraction, since 28 × 9 = 252,
4/28 = 4 × 9/28 × 9 = 36/252
Add the two like fractions:
2268/252 + 36/252 = 2268 + 36/252 = 2304/252
2304/252 simplified gives 64/7
So, 81/9 + 4/28 = 64/7
In mixed form: 91/7

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