Add 15/28 and 30/24
1st number: 15/28, 2nd number: 1 6/24
15/28 + 30/24 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
15/28 = 15 × 6/28 × 6 = 90/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Add the two like fractions:
90/168 + 210/168 = 90 + 210/168 = 300/168 - 300/168 simplified gives 25/14
- So, 15/28 + 30/24 = 25/14
In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+30/24 15/28+60/24 15/56+30/24 15/28+30/48 45/28+30/24 15/28+90/24 15/84+30/24 15/28+30/72 75/28+30/24