Add 3/12 and 32/80
3/12 + 32/80 is 13/20.
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,
32/80 = 32 × 3/80 × 3 = 96/240 - Add the two like fractions:
60/240 + 96/240 = 60 + 96/240 = 156/240 - 156/240 simplified gives 13/20
- So, 3/12 + 32/80 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+32/80 3/12+64/80 3/24+32/80 9/12+32/80 3/12+96/80 3/36+32/80 15/12+32/80 3/60+32/80 21/12+32/80 3/84+32/80