Add 40/28 and 2/9, Solve 1 12/28 + 2/9 as a fraction

Add 40/28 and 2/9

1^st number: 1 12/28, 2^nd number: 2/9

40/28 + 2/9 is 104/63.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
40/28 = 40 × 9/28 × 9 = 360/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
2/9 = 2 × 28/9 × 28 = 56/252
Add the two like fractions:
360/252 + 56/252 = 360 + 56/252 = 416/252
416/252 simplified gives 104/63
So, 40/28 + 2/9 = 104/63
In mixed form: 141/63

MathStep (Works offline)

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