Add 24/15 and 18/28
1st number: 1 9/15, 2nd number: 18/28
24/15 + 18/28 is 157/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
24/15 = 24 × 28/15 × 28 = 672/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
18/28 = 18 × 15/28 × 15 = 270/420 - Add the two like fractions:
672/420 + 270/420 = 672 + 270/420 = 942/420 - 942/420 simplified gives 157/70
- So, 24/15 + 18/28 = 157/70
In mixed form: 217/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/15+18/28 24/15+36/28 24/30+18/28 24/15+18/56 72/15+18/28 24/15+54/28 24/45+18/28 24/15+18/84 24/15+90/28 24/75+18/28