Add 45/40 and 56/9
1st number: 1 5/40, 2nd number: 6 2/9
45/40 + 56/9 is 529/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
45/40 = 45 × 9/40 × 9 = 405/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
56/9 = 56 × 40/9 × 40 = 2240/360 - Add the two like fractions:
405/360 + 2240/360 = 405 + 2240/360 = 2645/360 - 2645/360 simplified gives 529/72
- So, 45/40 + 56/9 = 529/72
In mixed form: 725/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40+56/9 45/80+56/9 45/40+56/18 45/40+56/27 45/40+56/45 45/40+56/63