Add 54/45 and 20/5
1st number: 1 9/45, 2nd number: 4 0/5
54/45 + 20/5 is 26/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
54/45 = 54 × 1/45 × 1 = 54/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
20/5 = 20 × 9/5 × 9 = 180/45 - Add the two like fractions:
54/45 + 180/45 = 54 + 180/45 = 234/45 - 234/45 simplified gives 26/5
- So, 54/45 + 20/5 = 26/5
In mixed form: 51/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+40/5 54/90+20/5 54/45+20/10 54/45+60/5 54/45+20/15 54/45+20/25 54/45+20/35