Add 28/15 and 90/6
1st number: 1 13/15, 2nd number: 15 0/6
28/15 + 90/6 is 253/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
28/15 = 28 × 2/15 × 2 = 56/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
90/6 = 90 × 5/6 × 5 = 450/30 - Add the two like fractions:
56/30 + 450/30 = 56 + 450/30 = 506/30 - 506/30 simplified gives 253/15
- So, 28/15 + 90/6 = 253/15
In mixed form: 1613/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/15+90/6 28/30+90/6 28/15+90/12 84/15+90/6 28/45+90/6 28/15+90/18 28/75+90/6 28/15+90/30 28/15+90/42