Add 18/20 and 10/60
18/20 + 10/60 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 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 60 × 1 = 60,
10/60 = 10 × 1/60 × 1 = 10/60 - Add the two like fractions:
54/60 + 10/60 = 54 + 10/60 = 64/60 - 64/60 simplified gives 16/15
- So, 18/20 + 10/60 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+10/60 18/20+20/60 18/40+10/60 54/20+10/60 18/20+30/60 18/60+10/60 90/20+10/60 18/20+50/60 18/20+70/60