Add 3/9 and 75/80
3/9 + 75/80 is 61/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
3/9 = 3 × 80/9 × 80 = 240/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
75/80 = 75 × 9/80 × 9 = 675/720 - Add the two like fractions:
240/720 + 675/720 = 240 + 675/720 = 915/720 - 915/720 simplified gives 61/48
- So, 3/9 + 75/80 = 61/48
In mixed form: 113/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9+75/80 3/18+75/80 3/27+75/80 15/9+75/80 3/45+75/80 21/9+75/80 3/63+75/80