Add 2/90 and 45/54
2/90 + 45/54 is 77/90.
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,
2/90 = 2 × 3/90 × 3 = 6/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
6/270 + 225/270 = 6 + 225/270 = 231/270 - 231/270 simplified gives 77/90
- So, 2/90 + 45/54 = 77/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90+45/54 2/90+90/54 6/90+45/54 10/90+45/54 14/90+45/54