Add 20/60 and 12/18
20/60 + 12/18 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
20/60 = 20 × 3/60 × 3 = 60/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
12/18 = 12 × 10/18 × 10 = 120/180 - Add the two like fractions:
60/180 + 120/180 = 60 + 120/180 = 180/180 - 180/180 simplified gives 1/1
- So, 20/60 + 12/18 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+12/18 20/60+24/18 20/60+12/36 20/60+36/18 20/60+12/54 20/60+60/18 20/60+12/90 20/60+84/18