Add 8/12 and 45/20
1st number: 8/12, 2nd number: 2 5/20
8/12 + 45/20 is 35/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
8/12 = 8 × 5/12 × 5 = 40/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
40/60 + 135/60 = 40 + 135/60 = 175/60 - 175/60 simplified gives 35/12
- So, 8/12 + 45/20 = 35/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12+45/20 8/12+90/20 8/24+45/20 8/12+45/40 24/12+45/20 8/36+45/20 8/12+45/60 40/12+45/20 8/60+45/20 56/12+45/20 8/84+45/20