Add 90/5 and 18/54
1st number: 18 0/5, 2nd number: 18/54
90/5 + 18/54 is 55/3.
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,
18/54 = 18 × 5/54 × 5 = 90/270 - Add the two like fractions:
4860/270 + 90/270 = 4860 + 90/270 = 4950/270 - 4950/270 simplified gives 55/3
- So, 90/5 + 18/54 = 55/3
In mixed form: 181/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+36/54 90/10+18/54 90/15+18/54 90/5+90/54 90/25+18/54 90/35+18/54