Add 15/6 and 90/28
1st number: 2 3/6, 2nd number: 3 6/28
15/6 + 90/28 is 40/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
15/6 = 15 × 14/6 × 14 = 210/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
90/28 = 90 × 3/28 × 3 = 270/84 - Add the two like fractions:
210/84 + 270/84 = 210 + 270/84 = 480/84 - 480/84 simplified gives 40/7
- So, 15/6 + 90/28 = 40/7
In mixed form: 55/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/6+90/28 15/12+90/28 15/6+90/56 45/6+90/28 15/18+90/28 15/6+90/84 75/6+90/28 15/30+90/28 15/42+90/28