Add 25/10 and 42/54, Solve 2 5/10 + 42/54 as a fraction

Add 25/10 and 42/54

1^st number: 2 5/10, 2^nd number: 42/54

25/10 + 42/54 is 59/18.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 54 is 270

Next, find the equivalent fraction of both fractional numbers with denominator 270
For the 1st fraction, since 10 × 27 = 270,
25/10 = 25 × 27/10 × 27 = 675/270
Likewise, for the 2nd fraction, since 54 × 5 = 270,
42/54 = 42 × 5/54 × 5 = 210/270
Add the two like fractions:
675/270 + 210/270 = 675 + 210/270 = 885/270
885/270 simplified gives 59/18
So, 25/10 + 42/54 = 59/18
In mixed form: 35/18

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