Add 90/3 and 28/60
1st number: 30 0/3, 2nd number: 28/60
90/3 + 28/60 is 457/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
90/3 = 90 × 20/3 × 20 = 1800/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
28/60 = 28 × 1/60 × 1 = 28/60 - Add the two like fractions:
1800/60 + 28/60 = 1800 + 28/60 = 1828/60 - 1828/60 simplified gives 457/15
- So, 90/3 + 28/60 = 457/15
In mixed form: 307/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+56/60 90/6+28/60 90/3+84/60 90/9+28/60 90/15+28/60 90/21+28/60