Add 49/18 and 90/12
1st number: 2 13/18, 2nd number: 7 6/12
49/18 + 90/12 is 92/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
49/18 = 49 × 2/18 × 2 = 98/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
90/12 = 90 × 3/12 × 3 = 270/36 - Add the two like fractions:
98/36 + 270/36 = 98 + 270/36 = 368/36 - 368/36 simplified gives 92/9
- So, 49/18 + 90/12 = 92/9
In mixed form: 102/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+90/12 49/36+90/12 49/18+90/24 49/54+90/12 49/18+90/36 49/90+90/12 49/18+90/60 49/18+90/84