Add 7/24 and 18/40
7/24 + 18/40 is 89/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
7/24 = 7 × 5/24 × 5 = 35/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Add the two like fractions:
35/120 + 54/120 = 35 + 54/120 = 89/120 - So, 7/24 + 18/40 = 89/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/24+18/40 7/24+36/40 7/48+18/40 7/24+18/80 21/24+18/40 7/24+54/40 7/72+18/40 35/24+18/40 7/24+90/40 49/24+18/40