Add 50/12 and 15/90
1st number: 4 2/12, 2nd number: 15/90
50/12 + 15/90 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 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 90 × 2 = 180,
15/90 = 15 × 2/90 × 2 = 30/180 - Add the two like fractions:
750/180 + 30/180 = 750 + 30/180 = 780/180 - 780/180 simplified gives 13/3
- So, 50/12 + 15/90 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+30/90 50/24+15/90 50/12+45/90 50/36+15/90 50/12+75/90 50/60+15/90 50/84+15/90