Add 3/5 and 54/90
3/5 + 54/90 is 6/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Add the two like fractions:
54/90 + 54/90 = 54 + 54/90 = 108/90 - 108/90 simplified gives 6/5
- So, 3/5 + 54/90 = 6/5
In mixed form: 11/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/5+54/90 3/10+54/90 9/5+54/90 3/15+54/90 15/5+54/90 3/25+54/90 21/5+54/90 3/35+54/90