Add 20/25 and 4/27
20/25 + 4/27 is 128/135.
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,
4/27 = 4 × 25/27 × 25 = 100/675 - Add the two like fractions:
540/675 + 100/675 = 540 + 100/675 = 640/675 - 640/675 simplified gives 128/135
- So, 20/25 + 4/27 = 128/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+4/27 20/25+8/27 20/50+4/27 20/25+4/54 60/25+4/27 20/25+12/27 20/75+4/27 20/25+4/81 20/25+20/27 20/25+28/27