Add 18/40 and 24/3
1st number: 18/40, 2nd number: 8 0/3
18/40 + 24/3 is 169/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 3 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 3 × 40 = 120,
24/3 = 24 × 40/3 × 40 = 960/120 - Add the two like fractions:
54/120 + 960/120 = 54 + 960/120 = 1014/120 - 1014/120 simplified gives 169/20
- So, 18/40 + 24/3 = 169/20
In mixed form: 89/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+24/3 18/40+48/3 18/80+24/3 18/40+24/6 54/40+24/3 18/40+72/3 18/40+24/9 90/40+24/3 18/40+24/15 18/40+24/21