Add 3/12 and 12/80
3/12 + 12/80 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
3/12 = 3 × 20/12 × 20 = 60/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
12/80 = 12 × 3/80 × 3 = 36/240 - Add the two like fractions:
60/240 + 36/240 = 60 + 36/240 = 96/240 - 96/240 simplified gives 2/5
- So, 3/12 + 12/80 = 2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+12/80 3/12+24/80 3/24+12/80 9/12+12/80 3/12+36/80 3/36+12/80 15/12+12/80 3/12+60/80 3/60+12/80 21/12+12/80 3/12+84/80 3/84+12/80