Add 3/90 and 18/36
3/90 + 18/36 is 8/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Add the two like fractions:
6/180 + 90/180 = 6 + 90/180 = 96/180 - 96/180 simplified gives 8/15
- So, 3/90 + 18/36 = 8/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+18/36 3/90+18/72 9/90+18/36 3/90+54/36 15/90+18/36 3/90+90/36 21/90+18/36