Add 18/40 and 27/6
1st number: 18/40, 2nd number: 4 3/6
18/40 + 27/6 is 99/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
27/6 = 27 × 20/6 × 20 = 540/120 - Add the two like fractions:
54/120 + 540/120 = 54 + 540/120 = 594/120 - 594/120 simplified gives 99/20
- So, 18/40 + 27/6 = 99/20
In mixed form: 419/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/40+27/6 18/40+54/6 18/80+27/6 18/40+27/12 54/40+27/6 18/40+81/6 18/40+27/18 90/40+27/6 18/40+27/30 18/40+27/42