Add 25/30 and 45/12, Solve 25/30 + 3 9/12 as a fraction

Add 25/30 and 45/12

1^st number: 25/30, 2^nd number: 3 9/12

25/30 + 45/12 is 55/12.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 30 × 2 = 60,
25/30 = 25 × 2/30 × 2 = 50/60
Likewise, for the 2nd fraction, since 12 × 5 = 60,
45/12 = 45 × 5/12 × 5 = 225/60
Add the two like fractions:
50/60 + 225/60 = 50 + 225/60 = 275/60
275/60 simplified gives 55/12
So, 25/30 + 45/12 = 55/12
In mixed form: 47/12

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