Add 6/12 and 18/40
6/12 + 18/40 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
6/12 = 6 × 10/12 × 10 = 60/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
18/40 = 18 × 3/40 × 3 = 54/120 - Add the two like fractions:
60/120 + 54/120 = 60 + 54/120 = 114/120 - 114/120 simplified gives 19/20
- So, 6/12 + 18/40 = 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+36/40 6/24+18/40 6/12+18/80 18/12+18/40 6/12+54/40 6/36+18/40 30/12+18/40 6/12+90/40 6/60+18/40 42/12+18/40 6/84+18/40