Add 50/12 and 80/45
1st number: 4 2/12, 2nd number: 1 35/45
50/12 + 80/45 is 107/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
50/12 = 50 × 15/12 × 15 = 750/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180 - Add the two like fractions:
750/180 + 320/180 = 750 + 320/180 = 1070/180 - 1070/180 simplified gives 107/18
- So, 50/12 + 80/45 = 107/18
In mixed form: 517/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/24+80/45 50/12+80/90 50/36+80/45 50/60+80/45 50/84+80/45