Add 90/49 and 45/18
1st number: 1 41/49, 2nd number: 2 9/18
90/49 + 45/18 is 425/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 49 × 18 = 882,
90/49 = 90 × 18/49 × 18 = 1620/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
45/18 = 45 × 49/18 × 49 = 2205/882 - Add the two like fractions:
1620/882 + 2205/882 = 1620 + 2205/882 = 3825/882 - 3825/882 simplified gives 425/98
- So, 90/49 + 45/18 = 425/98
In mixed form: 433/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/49+90/18 90/98+45/18 90/49+45/36 90/49+45/54 90/49+45/90