Add 20/40 and 6/54
20/40 + 6/54 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
20/40 = 20 × 27/40 × 27 = 540/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
6/54 = 6 × 20/54 × 20 = 120/1080 - Add the two like fractions:
540/1080 + 120/1080 = 540 + 120/1080 = 660/1080 - 660/1080 simplified gives 11/18
- So, 20/40 + 6/54 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+12/54 20/80+6/54 60/40+6/54 20/40+18/54 20/40+30/54 20/40+42/54