Add 80/8 and 75/9
1st number: 10 0/8, 2nd number: 8 3/9
80/8 + 75/9 is 55/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 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 9 × 8 = 72,
75/9 = 75 × 8/9 × 8 = 600/72 - Add the two like fractions:
720/72 + 600/72 = 720 + 600/72 = 1320/72 - 1320/72 simplified gives 55/3
- So, 80/8 + 75/9 = 55/3
In mixed form: 181/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16+75/9 80/8+75/18 80/24+75/9 80/8+75/27 80/40+75/9 80/8+75/45 80/56+75/9 80/8+75/63