Add 90/36 and 45/30
1st number: 2 18/36, 2nd number: 1 15/30
90/36 + 45/30 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 30 × 6 = 180,
45/30 = 45 × 6/30 × 6 = 270/180 - Add the two like fractions:
450/180 + 270/180 = 450 + 270/180 = 720/180 - 720/180 simplified gives 4/1
- So, 90/36 + 45/30 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+90/30 90/72+45/30 90/36+45/60 90/36+45/90