Add 20/12 and 20/80
1st number: 1 8/12, 2nd number: 20/80
20/12 + 20/80 is 23/12.
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,
20/12 = 20 × 20/12 × 20 = 400/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
400/240 + 60/240 = 400 + 60/240 = 460/240 - 460/240 simplified gives 23/12
- So, 20/12 + 20/80 = 23/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+20/80 20/12+40/80 20/24+20/80 60/12+20/80 20/12+60/80 20/36+20/80 20/60+20/80 20/84+20/80