Add 12/40 and 50/9
1st number: 12/40, 2nd number: 5 5/9
12/40 + 50/9 is 527/90.
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,
12/40 = 12 × 9/40 × 9 = 108/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
50/9 = 50 × 40/9 × 40 = 2000/360 - Add the two like fractions:
108/360 + 2000/360 = 108 + 2000/360 = 2108/360 - 2108/360 simplified gives 527/90
- So, 12/40 + 50/9 = 527/90
In mixed form: 577/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+50/9 12/80+50/9 12/40+50/18 36/40+50/9 12/40+50/27 60/40+50/9 12/40+50/45 84/40+50/9 12/40+50/63