Add 18/24 and 48/40
1st number: 18/24, 2nd number: 1 8/40
18/24 + 48/40 is 39/20.
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,
18/24 = 18 × 5/24 × 5 = 90/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
48/40 = 48 × 3/40 × 3 = 144/120 - Add the two like fractions:
90/120 + 144/120 = 90 + 144/120 = 234/120 - 234/120 simplified gives 39/20
- So, 18/24 + 48/40 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24+48/40 18/24+96/40 18/48+48/40 18/24+48/80 54/24+48/40 18/72+48/40 90/24+48/40