Add 20/50 and 4/12
20/50 + 4/12 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
20/50 = 20 × 6/50 × 6 = 120/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
4/12 = 4 × 25/12 × 25 = 100/300 - Add the two like fractions:
120/300 + 100/300 = 120 + 100/300 = 220/300 - 220/300 simplified gives 11/15
- So, 20/50 + 4/12 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50+4/12 20/50+8/12 20/50+4/24 60/50+4/12 20/50+4/36 20/50+20/12 20/50+4/60 20/50+28/12 20/50+4/84