Add 15/3 and 18/28
1st number: 5 0/3, 2nd number: 18/28
15/3 + 18/28 is 79/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
15/3 = 15 × 28/3 × 28 = 420/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
18/28 = 18 × 3/28 × 3 = 54/84 - Add the two like fractions:
420/84 + 54/84 = 420 + 54/84 = 474/84 - 474/84 simplified gives 79/14
- So, 15/3 + 18/28 = 79/14
In mixed form: 59/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3+18/28 15/3+36/28 15/6+18/28 15/3+18/56 45/3+18/28 15/3+54/28 15/9+18/28 15/3+18/84 75/3+18/28 15/3+90/28 15/21+18/28