Add 75/15 and 20/12
1st number: 5 0/15, 2nd number: 1 8/12
75/15 + 20/12 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
75/15 = 75 × 4/15 × 4 = 300/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
20/12 = 20 × 5/12 × 5 = 100/60 - Add the two like fractions:
300/60 + 100/60 = 300 + 100/60 = 400/60 - 400/60 simplified gives 20/3
- So, 75/15 + 20/12 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/15+40/12 75/30+20/12 75/15+20/24 75/15+60/12 75/45+20/12 75/15+20/36 75/15+20/60 75/15+20/84