Add 5/20 and 54/90
5/20 + 54/90 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
5/20 = 5 × 9/20 × 9 = 45/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
54/90 = 54 × 2/90 × 2 = 108/180 - Add the two like fractions:
45/180 + 108/180 = 45 + 108/180 = 153/180 - 153/180 simplified gives 17/20
- So, 5/20 + 54/90 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/20+54/90 5/40+54/90 15/20+54/90 5/60+54/90 25/20+54/90 35/20+54/90