Add 20/12 and 50/15
1st number: 1 8/12, 2nd number: 3 5/15
20/12 + 50/15 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
50/15 = 50 × 4/15 × 4 = 200/60 - Add the two like fractions:
100/60 + 200/60 = 100 + 200/60 = 300/60 - 300/60 simplified gives 5/1
- So, 20/12 + 50/15 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+50/15 20/24+50/15 20/12+50/30 60/12+50/15 20/36+50/15 20/12+50/45 20/60+50/15 20/12+50/75 20/84+50/15