Add 12/2 and 30/80
1st number: 6 0/2, 2nd number: 30/80
12/2 + 30/80 is 51/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
12/2 = 12 × 40/2 × 40 = 480/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80 - Add the two like fractions:
480/80 + 30/80 = 480 + 30/80 = 510/80 - 510/80 simplified gives 51/8
- So, 12/2 + 30/80 = 51/8
In mixed form: 63/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/2+30/80 12/2+60/80 12/4+30/80 36/2+30/80 12/2+90/80 12/6+30/80 60/2+30/80 12/10+30/80 84/2+30/80 12/14+30/80