Add 54/5 and 20/45
1st number: 10 4/5, 2nd number: 20/45
54/5 + 20/45 is 506/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
54/5 = 54 × 9/5 × 9 = 486/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Add the two like fractions:
486/45 + 20/45 = 486 + 20/45 = 506/45 - So, 54/5 + 20/45 = 506/45
In mixed form: 1111/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5+40/45 54/10+20/45 54/5+20/90 54/5+60/45 54/15+20/45 54/25+20/45 54/35+20/45