Add 20/25 and 40/30
1st number: 20/25, 2nd number: 1 10/30
20/25 + 40/30 is 32/15.
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,
40/30 = 40 × 5/30 × 5 = 200/150 - Add the two like fractions:
120/150 + 200/150 = 120 + 200/150 = 320/150 - 320/150 simplified gives 32/15
- So, 20/25 + 40/30 = 32/15
In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+40/30 20/25+80/30 20/50+40/30 20/25+40/60 60/25+40/30 20/75+40/30 20/25+40/90