Add 84/90 and 9/49
84/90 + 9/49 is 821/735.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
84/90 = 84 × 49/90 × 49 = 4116/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
9/49 = 9 × 90/49 × 90 = 810/4410 - Add the two like fractions:
4116/4410 + 810/4410 = 4116 + 810/4410 = 4926/4410 - 4926/4410 simplified gives 821/735
- So, 84/90 + 9/49 = 821/735
In mixed form: 186/735
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+18/49 84/90+9/98 84/90+27/49 84/90+45/49 84/90+63/49