Add 84/25 and 10/12, Solve 3 9/25 + 10/12 as a fraction

Add 84/25 and 10/12

1^st number: 3 9/25, 2^nd number: 10/12

84/25 + 10/12 is 629/150.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 25 × 12 = 300,
84/25 = 84 × 12/25 × 12 = 1008/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
10/12 = 10 × 25/12 × 25 = 250/300
Add the two like fractions:
1008/300 + 250/300 = 1008 + 250/300 = 1258/300
1258/300 simplified gives 629/150
So, 84/25 + 10/12 = 629/150
In mixed form: 429/150

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad