Add 70/3 and 90/12
1st number: 23 1/3, 2nd number: 7 6/12
70/3 + 90/12 is 185/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
70/3 = 70 × 4/3 × 4 = 280/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
90/12 = 90 × 1/12 × 1 = 90/12 - Add the two like fractions:
280/12 + 90/12 = 280 + 90/12 = 370/12 - 370/12 simplified gives 185/6
- So, 70/3 + 90/12 = 185/6
In mixed form: 305/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+90/12 70/3+90/24 70/9+90/12 70/3+90/36 70/15+90/12 70/3+90/60 70/21+90/12 70/3+90/84