Add 40/45 and 5/6
40/45 + 5/6 is 31/18.
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,
5/6 = 5 × 15/6 × 15 = 75/90 - Add the two like fractions:
80/90 + 75/90 = 80 + 75/90 = 155/90 - 155/90 simplified gives 31/18
- So, 40/45 + 5/6 = 31/18
In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+5/6 40/45+10/6 40/90+5/6 40/45+5/12 40/45+15/6 40/45+5/18 40/45+25/6 40/45+5/30 40/45+35/6 40/45+5/42