Add 75/40 and 15/9
1st number: 1 35/40, 2nd number: 1 6/9
75/40 + 15/9 is 85/24.
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,
75/40 = 75 × 9/40 × 9 = 675/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
15/9 = 15 × 40/9 × 40 = 600/360 - Add the two like fractions:
675/360 + 600/360 = 675 + 600/360 = 1275/360 - 1275/360 simplified gives 85/24
- So, 75/40 + 15/9 = 85/24
In mixed form: 313/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40+30/9 75/80+15/9 75/40+15/18 75/40+45/9 75/40+15/27 75/40+75/9 75/40+15/45 75/40+15/63