Add 84/18 and 49/90
1st number: 4 12/18, 2nd number: 49/90
84/18 + 49/90 is 469/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
49/90 = 49 × 1/90 × 1 = 49/90 - Add the two like fractions:
420/90 + 49/90 = 420 + 49/90 = 469/90 - So, 84/18 + 49/90 = 469/90
In mixed form: 519/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+98/90 84/36+49/90 84/54+49/90 84/90+49/90