Add 28/15 and 25/54, Solve 1 13/15 + 25/54 as a fraction

Add 28/15 and 25/54

1^st number: 1 13/15, 2^nd number: 25/54

28/15 + 25/54 is 629/270.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 15 × 18 = 270,
28/15 = 28 × 18/15 × 18 = 504/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
25/54 = 25 × 5/54 × 5 = 125/270
Add the two like fractions:
504/270 + 125/270 = 504 + 125/270 = 629/270
So, 28/15 + 25/54 = 629/270
In mixed form: 289/270

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