Add 24/18 and 30/40
1st number: 1 6/18, 2nd number: 30/40
24/18 + 30/40 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
24/18 = 24 × 20/18 × 20 = 480/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360 - Add the two like fractions:
480/360 + 270/360 = 480 + 270/360 = 750/360 - 750/360 simplified gives 25/12
- So, 24/18 + 30/40 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/18+30/40 24/18+60/40 24/36+30/40 24/18+30/80 72/18+30/40 24/18+90/40 24/54+30/40 24/90+30/40