Add 20/25 and 30/27
1st number: 20/25, 2nd number: 1 3/27
20/25 + 30/27 is 86/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 25 × 27 = 675,
20/25 = 20 × 27/25 × 27 = 540/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
30/27 = 30 × 25/27 × 25 = 750/675 - Add the two like fractions:
540/675 + 750/675 = 540 + 750/675 = 1290/675 - 1290/675 simplified gives 86/45
- So, 20/25 + 30/27 = 86/45
In mixed form: 141/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+30/27 20/25+60/27 20/50+30/27 20/25+30/54 60/25+30/27 20/25+90/27 20/75+30/27 20/25+30/81