Add 80/8 and 90/36
1st number: 10 0/8, 2nd number: 2 18/36
80/8 + 90/36 is 25/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
80/8 = 80 × 9/8 × 9 = 720/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
90/36 = 90 × 2/36 × 2 = 180/72 - Add the two like fractions:
720/72 + 180/72 = 720 + 180/72 = 900/72 - 900/72 simplified gives 25/2
- So, 80/8 + 90/36 = 25/2
In mixed form: 121/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+90/36 80/8+90/72 80/24+90/36 80/40+90/36 80/56+90/36