Add 90/2 and 18/9
1st number: 45 0/2, 2nd number: 2 0/9
90/2 + 18/9 is 47/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
90/2 = 90 × 9/2 × 9 = 810/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
18/9 = 18 × 2/9 × 2 = 36/18 - Add the two like fractions:
810/18 + 36/18 = 810 + 36/18 = 846/18 - 846/18 simplified gives 47/1
- So, 90/2 + 18/9 = 47/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+36/9 90/4+18/9 90/2+54/9 90/6+18/9 90/2+18/27 90/2+90/9 90/10+18/9 90/2+18/45 90/14+18/9 90/2+18/63