Add 28/9 and 40/45
1st number: 3 1/9, 2nd number: 40/45
28/9 + 40/45 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
28/9 = 28 × 5/9 × 5 = 140/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
40/45 = 40 × 1/45 × 1 = 40/45 - Add the two like fractions:
140/45 + 40/45 = 140 + 40/45 = 180/45 - 180/45 simplified gives 4/1
- So, 28/9 + 40/45 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/9+40/45 28/9+80/45 28/18+40/45 28/9+40/90 84/9+40/45 28/27+40/45 28/45+40/45 28/63+40/45