Add 1/18 and 90/45
1st number: 1/18, 2nd number: 2 0/45
1/18 + 90/45 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
1/18 = 1 × 5/18 × 5 = 5/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
90/45 = 90 × 2/45 × 2 = 180/90 - Add the two like fractions:
5/90 + 180/90 = 5 + 180/90 = 185/90 - 185/90 simplified gives 37/18
- So, 1/18 + 90/45 = 37/18
In mixed form: 21/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18+90/45 1/36+90/45 3/18+90/45 1/54+90/45 5/18+90/45 1/90+90/45 7/18+90/45