Add 30/25 and 3/20
1st number: 1 5/25, 2nd number: 3/20
30/25 + 3/20 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
30/25 = 30 × 4/25 × 4 = 120/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
3/20 = 3 × 5/20 × 5 = 15/100 - Add the two like fractions:
120/100 + 15/100 = 120 + 15/100 = 135/100 - 135/100 simplified gives 27/20
- So, 30/25 + 3/20 = 27/20
In mixed form: 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+3/20 30/25+6/20 30/50+3/20 30/25+3/40 90/25+3/20 30/25+9/20 30/75+3/20 30/25+3/60 30/25+15/20 30/25+21/20