Add 30/12 and 90/3
1st number: 2 6/12, 2nd number: 30 0/3
30/12 + 90/3 is 65/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 3 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
30/12 = 30 × 1/12 × 1 = 30/12 - Likewise, for the 2nd fraction, since 3 × 4 = 12,
90/3 = 90 × 4/3 × 4 = 360/12 - Add the two like fractions:
30/12 + 360/12 = 30 + 360/12 = 390/12 - 390/12 simplified gives 65/2
- So, 30/12 + 90/3 = 65/2
In mixed form: 321/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+90/3 30/24+90/3 30/12+90/6 90/12+90/3 30/36+90/3 30/12+90/9 30/60+90/3 30/12+90/15 30/84+90/3 30/12+90/21