Add 30/12 and 48/80
1st number: 2 6/12, 2nd number: 48/80
30/12 + 48/80 is 31/10.
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,
30/12 = 30 × 20/12 × 20 = 600/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
48/80 = 48 × 3/80 × 3 = 144/240 - Add the two like fractions:
600/240 + 144/240 = 600 + 144/240 = 744/240 - 744/240 simplified gives 31/10
- So, 30/12 + 48/80 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12+48/80 30/12+96/80 30/24+48/80 90/12+48/80 30/36+48/80 30/60+48/80 30/84+48/80