Add 15/40 and 84/9
1st number: 15/40, 2nd number: 9 3/9
15/40 + 84/9 is 233/24.
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,
15/40 = 15 × 9/40 × 9 = 135/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
84/9 = 84 × 40/9 × 40 = 3360/360 - Add the two like fractions:
135/360 + 3360/360 = 135 + 3360/360 = 3495/360 - 3495/360 simplified gives 233/24
- So, 15/40 + 84/9 = 233/24
In mixed form: 917/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/40+84/9 15/80+84/9 15/40+84/18 45/40+84/9 15/40+84/27 75/40+84/9 15/40+84/45 15/40+84/63