Add 90/36 and 6/45
1st number: 2 18/36, 2nd number: 6/45
90/36 + 6/45 is 79/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 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 45 × 4 = 180,
6/45 = 6 × 4/45 × 4 = 24/180 - Add the two like fractions:
450/180 + 24/180 = 450 + 24/180 = 474/180 - 474/180 simplified gives 79/30
- So, 90/36 + 6/45 = 79/30
In mixed form: 219/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36+12/45 90/72+6/45 90/36+6/90 90/36+18/45 90/36+30/45 90/36+42/45