Add 30/40 and 3/24
30/40 + 3/24 is 7/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
30/40 = 30 × 3/40 × 3 = 90/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120 - Add the two like fractions:
90/120 + 15/120 = 90 + 15/120 = 105/120 - 105/120 simplified gives 7/8
- So, 30/40 + 3/24 = 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+3/24 30/40+6/24 30/80+3/24 30/40+3/48 90/40+3/24 30/40+9/24 30/40+3/72 30/40+15/24 30/40+21/24