Add 40/45 and 12/6
1st number: 40/45, 2nd number: 2 0/6
40/45 + 12/6 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
12/6 = 12 × 15/6 × 15 = 180/90 - Add the two like fractions:
80/90 + 180/90 = 80 + 180/90 = 260/90 - 260/90 simplified gives 26/9
- So, 40/45 + 12/6 = 26/9
In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+12/6 40/45+24/6 40/90+12/6 40/45+36/6 40/45+12/18 40/45+60/6 40/45+12/30 40/45+84/6 40/45+12/42