Add 9/80 and 30/9
1st number: 9/80, 2nd number: 3 3/9
9/80 + 30/9 is 827/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
30/9 = 30 × 80/9 × 80 = 2400/720 - Add the two like fractions:
81/720 + 2400/720 = 81 + 2400/720 = 2481/720 - 2481/720 simplified gives 827/240
- So, 9/80 + 30/9 = 827/240
In mixed form: 3107/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80+30/9 9/80+60/9 9/80+30/18 27/80+30/9 9/80+90/9 9/80+30/27 45/80+30/9 9/80+30/45 63/80+30/9 9/80+30/63