Add 8/45 and 30/36
8/45 + 30/36 is 91/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
8/45 = 8 × 4/45 × 4 = 32/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Add the two like fractions:
32/180 + 150/180 = 32 + 150/180 = 182/180 - 182/180 simplified gives 91/90
- So, 8/45 + 30/36 = 91/90
In mixed form: 11/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+30/36 8/45+60/36 8/90+30/36 8/45+30/72 24/45+30/36 8/45+90/36 40/45+30/36 56/45+30/36