Add 20/25 and 12/27
20/25 + 12/27 is 56/45.
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,
12/27 = 12 × 25/27 × 25 = 300/675 - Add the two like fractions:
540/675 + 300/675 = 540 + 300/675 = 840/675 - 840/675 simplified gives 56/45
- So, 20/25 + 12/27 = 56/45
In mixed form: 111/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+12/27 20/25+24/27 20/50+12/27 20/25+12/54 60/25+12/27 20/25+36/27 20/75+12/27 20/25+12/81 20/25+60/27 20/25+84/27