Add 90/5 and 45/54
1st number: 18 0/5, 2nd number: 45/54
90/5 + 45/54 is 113/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
90/5 = 90 × 54/5 × 54 = 4860/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
4860/270 + 225/270 = 4860 + 225/270 = 5085/270 - 5085/270 simplified gives 113/6
- So, 90/5 + 45/54 = 113/6
In mixed form: 185/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+90/54 90/10+45/54 90/15+45/54 90/25+45/54 90/35+45/54