Add 18/30 and 3/24
18/30 + 3/24 is 29/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
18/30 = 18 × 4/30 × 4 = 72/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120 - Add the two like fractions:
72/120 + 15/120 = 72 + 15/120 = 87/120 - 87/120 simplified gives 29/40
- So, 18/30 + 3/24 = 29/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+3/24 18/30+6/24 18/60+3/24 18/30+3/48 54/30+3/24 18/30+9/24 18/90+3/24 18/30+3/72 90/30+3/24 18/30+15/24 18/30+21/24