Add 72/49 and 28/81, Solve 1 23/49 + 28/81 as a fraction

Add 72/49 and 28/81

1^st number: 1 23/49, 2^nd number: 28/81

72/49 + 28/81 is 7204/3969.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 81 is 3969

Next, find the equivalent fraction of both fractional numbers with denominator 3969
For the 1st fraction, since 49 × 81 = 3969,
72/49 = 72 × 81/49 × 81 = 5832/3969
Likewise, for the 2nd fraction, since 81 × 49 = 3969,
28/81 = 28 × 49/81 × 49 = 1372/3969
Add the two like fractions:
5832/3969 + 1372/3969 = 5832 + 1372/3969 = 7204/3969
So, 72/49 + 28/81 = 7204/3969
In mixed form: 13235/3969

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