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