Add 20/25 and 1/45
20/25 + 1/45 is 37/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
20/25 = 20 × 9/25 × 9 = 180/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
1/45 = 1 × 5/45 × 5 = 5/225 - Add the two like fractions:
180/225 + 5/225 = 180 + 5/225 = 185/225 - 185/225 simplified gives 37/45
- So, 20/25 + 1/45 = 37/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+1/45 20/25+2/45 20/50+1/45 20/25+1/90 60/25+1/45 20/25+3/45 20/75+1/45 20/25+5/45 20/25+7/45