Add 20/54 and 1/5
20/54 + 1/5 is 77/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
1/5 = 1 × 54/5 × 54 = 54/270 - Add the two like fractions:
100/270 + 54/270 = 100 + 54/270 = 154/270 - 154/270 simplified gives 77/135
- So, 20/54 + 1/5 = 77/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/54+1/5 20/54+2/5 20/54+1/10 60/54+1/5 20/54+3/5 20/54+1/15 20/54+1/25 20/54+7/5 20/54+1/35