Add 30/36 and 8/90
30/36 + 8/90 is 83/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
8/90 = 8 × 2/90 × 2 = 16/180 - Add the two like fractions:
150/180 + 16/180 = 150 + 16/180 = 166/180 - 166/180 simplified gives 83/90
- So, 30/36 + 8/90 = 83/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+8/90 30/36+16/90 30/72+8/90 90/36+8/90 30/36+24/90 30/36+40/90 30/36+56/90