Add 90/12 and 28/10
1st number: 7 6/12, 2nd number: 2 8/10
90/12 + 28/10 is 103/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
28/10 = 28 × 6/10 × 6 = 168/60 - Add the two like fractions:
450/60 + 168/60 = 450 + 168/60 = 618/60 - 618/60 simplified gives 103/10
- So, 90/12 + 28/10 = 103/10
In mixed form: 103/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/12+56/10 90/24+28/10 90/12+28/20 90/12+84/10 90/36+28/10 90/12+28/30 90/60+28/10 90/12+28/50 90/84+28/10 90/12+28/70