Add 30/24 and 40/28
1st number: 1 6/24, 2nd number: 1 12/28
30/24 + 40/28 is 75/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Likewise, for the 2nd fraction, since 28 × 6 = 168,
40/28 = 40 × 6/28 × 6 = 240/168 - Add the two like fractions:
210/168 + 240/168 = 210 + 240/168 = 450/168 - 450/168 simplified gives 75/28
- So, 30/24 + 40/28 = 75/28
In mixed form: 219/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24+40/28 30/24+80/28 30/48+40/28 30/24+40/56 90/24+40/28 30/72+40/28 30/24+40/84