Add 28/9 and 36/24, Solve 3 1/9 + 1 12/24 as a fraction

Add 28/9 and 36/24

1^st number: 3 1/9, 2^nd number: 1 12/24

28/9 + 36/24 is 83/18.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 9 × 8 = 72,
28/9 = 28 × 8/9 × 8 = 224/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
36/24 = 36 × 3/24 × 3 = 108/72
Add the two like fractions:
224/72 + 108/72 = 224 + 108/72 = 332/72
332/72 simplified gives 83/18
So, 28/9 + 36/24 = 83/18
In mixed form: 411/18

MathStep (Works offline)

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