Add 18/40 and 48/16
1st number: 18/40, 2nd number: 3 0/16
18/40 + 48/16 is 69/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
18/40 = 18 × 2/40 × 2 = 36/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
48/16 = 48 × 5/16 × 5 = 240/80 - Add the two like fractions:
36/80 + 240/80 = 36 + 240/80 = 276/80 - 276/80 simplified gives 69/20
- So, 18/40 + 48/16 = 69/20
In mixed form: 39/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+48/16 18/40+96/16 18/80+48/16 18/40+48/32 54/40+48/16 90/40+48/16 18/40+48/80