Add 40/18 and 24/30
1st number: 2 4/18, 2nd number: 24/30
40/18 + 24/30 is 136/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
24/30 = 24 × 3/30 × 3 = 72/90 - Add the two like fractions:
200/90 + 72/90 = 200 + 72/90 = 272/90 - 272/90 simplified gives 136/45
- So, 40/18 + 24/30 = 136/45
In mixed form: 31/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+24/30 40/18+48/30 40/36+24/30 40/18+24/60 40/18+72/30 40/54+24/30 40/18+24/90 40/90+24/30