Add 9/40 and 10/9
1st number: 9/40, 2nd number: 1 1/9
9/40 + 10/9 is 481/360.
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,
9/40 = 9 × 9/40 × 9 = 81/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
10/9 = 10 × 40/9 × 40 = 400/360 - Add the two like fractions:
81/360 + 400/360 = 81 + 400/360 = 481/360 - So, 9/40 + 10/9 = 481/360
In mixed form: 1121/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40+10/9 9/40+20/9 9/80+10/9 9/40+10/18 27/40+10/9 9/40+30/9 9/40+10/27 45/40+10/9 9/40+50/9 9/40+10/45 63/40+10/9 9/40+70/9 9/40+10/63