Add 20/90 and 2/54
20/90 + 2/54 is 7/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
20/90 = 20 × 3/90 × 3 = 60/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
2/54 = 2 × 5/54 × 5 = 10/270 - Add the two like fractions:
60/270 + 10/270 = 60 + 10/270 = 70/270 - 70/270 simplified gives 7/27
- So, 20/90 + 2/54 = 7/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90+2/54 20/90+4/54 60/90+2/54 20/90+6/54 20/90+10/54 20/90+14/54