Add 18/20 and 1/12
18/20 + 1/12 is 59/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
18/20 = 18 × 3/20 × 3 = 54/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
1/12 = 1 × 5/12 × 5 = 5/60 - Add the two like fractions:
54/60 + 5/60 = 54 + 5/60 = 59/60 - So, 18/20 + 1/12 = 59/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+1/12 18/20+2/12 18/40+1/12 18/20+1/24 54/20+1/12 18/20+3/12 18/60+1/12 18/20+1/36 90/20+1/12 18/20+5/12 18/20+1/60 18/20+7/12 18/20+1/84