Add 45/18 and 30/49
1st number: 2 9/18, 2nd number: 30/49
45/18 + 30/49 is 305/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
45/18 = 45 × 49/18 × 49 = 2205/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
30/49 = 30 × 18/49 × 18 = 540/882 - Add the two like fractions:
2205/882 + 540/882 = 2205 + 540/882 = 2745/882 - 2745/882 simplified gives 305/98
- So, 45/18 + 30/49 = 305/98
In mixed form: 311/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+30/49 45/18+60/49 45/36+30/49 45/18+30/98 45/18+90/49 45/54+30/49 45/90+30/49