Add 30/80 and 6/45
30/80 + 6/45 is 61/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
30/80 = 30 × 9/80 × 9 = 270/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
6/45 = 6 × 16/45 × 16 = 96/720 - Add the two like fractions:
270/720 + 96/720 = 270 + 96/720 = 366/720 - 366/720 simplified gives 61/120
- So, 30/80 + 6/45 = 61/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+6/45 30/80+12/45 30/80+6/90 90/80+6/45 30/80+18/45 30/80+30/45 30/80+42/45