Add 54/25 and 20/45
1st number: 2 4/25, 2nd number: 20/45
54/25 + 20/45 is 586/225.
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,
54/25 = 54 × 9/25 × 9 = 486/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
20/45 = 20 × 5/45 × 5 = 100/225 - Add the two like fractions:
486/225 + 100/225 = 486 + 100/225 = 586/225 - So, 54/25 + 20/45 = 586/225
In mixed form: 2136/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/25+40/45 54/50+20/45 54/25+20/90 54/25+60/45 54/75+20/45