Add 50/45 and 12/80
1st number: 1 5/45, 2nd number: 12/80
50/45 + 12/80 is 227/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
50/45 = 50 × 16/45 × 16 = 800/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
12/80 = 12 × 9/80 × 9 = 108/720 - Add the two like fractions:
800/720 + 108/720 = 800 + 108/720 = 908/720 - 908/720 simplified gives 227/180
- So, 50/45 + 12/80 = 227/180
In mixed form: 147/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45+24/80 50/90+12/80 50/45+36/80 50/45+60/80 50/45+84/80