Add 90/30 and 98/12
1st number: 3 0/30, 2nd number: 8 2/12
90/30 + 98/12 is 67/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
98/12 = 98 × 5/12 × 5 = 490/60 - Add the two like fractions:
180/60 + 490/60 = 180 + 490/60 = 670/60 - 670/60 simplified gives 67/6
- So, 90/30 + 98/12 = 67/6
In mixed form: 111/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+98/12 90/30+98/24 90/30+98/36 90/30+98/60 90/30+98/84