Add 20/25 and 30/12
1st number: 20/25, 2nd number: 2 6/12
20/25 + 30/12 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
20/25 = 20 × 12/25 × 12 = 240/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
30/12 = 30 × 25/12 × 25 = 750/300 - Add the two like fractions:
240/300 + 750/300 = 240 + 750/300 = 990/300 - 990/300 simplified gives 33/10
- So, 20/25 + 30/12 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+30/12 20/25+60/12 20/50+30/12 20/25+30/24 60/25+30/12 20/25+90/12 20/75+30/12 20/25+30/36 20/25+30/60 20/25+30/84