Add 72/25 and 21/9, Solve 2 22/25 + 2 3/9 as a fraction

Add 72/25 and 21/9

1^st number: 2 22/25, 2^nd number: 2 3/9

72/25 + 21/9 is 391/75.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 9 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 25 × 9 = 225,
72/25 = 72 × 9/25 × 9 = 648/225
Likewise, for the 2nd fraction, since 9 × 25 = 225,
21/9 = 21 × 25/9 × 25 = 525/225
Add the two like fractions:
648/225 + 525/225 = 648 + 525/225 = 1173/225
1173/225 simplified gives 391/75
So, 72/25 + 21/9 = 391/75
In mixed form: 516/75

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