Add 28/12 and 60/80
1st number: 2 4/12, 2nd number: 60/80
28/12 + 60/80 is 37/12.
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,
28/12 = 28 × 20/12 × 20 = 560/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
60/80 = 60 × 3/80 × 3 = 180/240 - Add the two like fractions:
560/240 + 180/240 = 560 + 180/240 = 740/240 - 740/240 simplified gives 37/12
- So, 28/12 + 60/80 = 37/12
In mixed form: 31/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+60/80 28/24+60/80 84/12+60/80 28/36+60/80 28/60+60/80 28/84+60/80