Add 90/45 and 84/49
1st number: 2 0/45, 2nd number: 1 35/49
90/45 + 84/49 is 26/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
90/45 = 90 × 49/45 × 49 = 4410/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
84/49 = 84 × 45/49 × 45 = 3780/2205 - Add the two like fractions:
4410/2205 + 3780/2205 = 4410 + 3780/2205 = 8190/2205 - 8190/2205 simplified gives 26/7
- So, 90/45 + 84/49 = 26/7
In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+84/98