Add 30/12 and 20/8
1st number: 2 6/12, 2nd number: 2 4/8
30/12 + 20/8 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
30/12 = 30 × 2/12 × 2 = 60/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
20/8 = 20 × 3/8 × 3 = 60/24 - Add the two like fractions:
60/24 + 60/24 = 60 + 60/24 = 120/24 - 120/24 simplified gives 5/1
- So, 30/12 + 20/8 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+20/8 30/12+40/8 30/24+20/8 30/12+20/16 90/12+20/8 30/12+60/8 30/36+20/8 30/12+20/24 30/60+20/8 30/12+20/40 30/84+20/8 30/12+20/56