Add 40/24 and 20/28
1st number: 1 16/24, 2nd number: 20/28
40/24 + 20/28 is 50/21.
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,
40/24 = 40 × 7/24 × 7 = 280/168 - Likewise, for the 2nd fraction, since 28 × 6 = 168,
20/28 = 20 × 6/28 × 6 = 120/168 - Add the two like fractions:
280/168 + 120/168 = 280 + 120/168 = 400/168 - 400/168 simplified gives 50/21
- So, 40/24 + 20/28 = 50/21
In mixed form: 28/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24+20/28 40/24+40/28 40/48+20/28 40/24+20/56 40/24+60/28 40/72+20/28 40/24+20/84