Add 18/54 and 6/20
18/54 + 6/20 is 19/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
18/54 = 18 × 10/54 × 10 = 180/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
6/20 = 6 × 27/20 × 27 = 162/540 - Add the two like fractions:
180/540 + 162/540 = 180 + 162/540 = 342/540 - 342/540 simplified gives 19/30
- So, 18/54 + 6/20 = 19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+6/20 18/54+12/20 18/54+6/40 18/54+18/20 18/54+6/60 90/54+6/20 18/54+30/20 18/54+42/20