Add 12/3 and 60/80
1st number: 4 0/3, 2nd number: 60/80
12/3 + 60/80 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
12/3 = 12 × 80/3 × 80 = 960/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
60/80 = 60 × 3/80 × 3 = 180/240 - Add the two like fractions:
960/240 + 180/240 = 960 + 180/240 = 1140/240 - 1140/240 simplified gives 19/4
- So, 12/3 + 60/80 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3+60/80 12/6+60/80 36/3+60/80 12/9+60/80 60/3+60/80 12/15+60/80 84/3+60/80 12/21+60/80