Add 90/5 and 10/18
1st number: 18 0/5, 2nd number: 10/18
90/5 + 10/18 is 167/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
90/5 = 90 × 18/5 × 18 = 1620/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Add the two like fractions:
1620/90 + 50/90 = 1620 + 50/90 = 1670/90 - 1670/90 simplified gives 167/9
- So, 90/5 + 10/18 = 167/9
In mixed form: 185/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5+20/18 90/10+10/18 90/5+10/36 90/5+30/18 90/15+10/18 90/5+10/54 90/5+50/18 90/25+10/18 90/5+10/90 90/5+70/18 90/35+10/18