Add 12/9 and 5/40
1st number: 1 3/9, 2nd number: 5/40
12/9 + 5/40 is 35/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
12/9 = 12 × 40/9 × 40 = 480/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
5/40 = 5 × 9/40 × 9 = 45/360 - Add the two like fractions:
480/360 + 45/360 = 480 + 45/360 = 525/360 - 525/360 simplified gives 35/24
- So, 12/9 + 5/40 = 35/24
In mixed form: 111/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+5/40 12/9+10/40 12/18+5/40 12/9+5/80 36/9+5/40 12/9+15/40 12/27+5/40 60/9+5/40 12/9+25/40 12/45+5/40 84/9+5/40 12/9+35/40 12/63+5/40