Add 20/25 and 12/30
20/25 + 12/30 is 6/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
20/25 = 20 × 6/25 × 6 = 120/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
12/30 = 12 × 5/30 × 5 = 60/150 - Add the two like fractions:
120/150 + 60/150 = 120 + 60/150 = 180/150 - 180/150 simplified gives 6/5
- So, 20/25 + 12/30 = 6/5
In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+12/30 20/25+24/30 20/50+12/30 20/25+12/60 60/25+12/30 20/25+36/30 20/75+12/30 20/25+12/90 20/25+60/30 20/25+84/30