Add 30/80 and 49/18
1st number: 30/80, 2nd number: 2 13/18
30/80 + 49/18 is 223/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 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 18 × 40 = 720,
49/18 = 49 × 40/18 × 40 = 1960/720 - Add the two like fractions:
270/720 + 1960/720 = 270 + 1960/720 = 2230/720 - 2230/720 simplified gives 223/72
- So, 30/80 + 49/18 = 223/72
In mixed form: 37/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+49/18 30/80+98/18 30/80+49/36 90/80+49/18 30/80+49/54 30/80+49/90