Add 12/3 and 9/35, Solve 4 0/3 + 9/35 as a fraction

Add 12/3 and 9/35

1^st number: 4 0/3, 2^nd number: 9/35

12/3 + 9/35 is 149/35.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 35 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 3 × 35 = 105,
12/3 = 12 × 35/3 × 35 = 420/105
Likewise, for the 2nd fraction, since 35 × 3 = 105,
9/35 = 9 × 3/35 × 3 = 27/105
Add the two like fractions:
420/105 + 27/105 = 420 + 27/105 = 447/105
447/105 simplified gives 149/35
So, 12/3 + 9/35 = 149/35
In mixed form: 49/35

MathStep (Works offline)

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