Add 15/54 and 90/5
1st number: 15/54, 2nd number: 18 0/5
15/54 + 90/5 is 329/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
15/54 = 15 × 5/54 × 5 = 75/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
90/5 = 90 × 54/5 × 54 = 4860/270 - Add the two like fractions:
75/270 + 4860/270 = 75 + 4860/270 = 4935/270 - 4935/270 simplified gives 329/18
- So, 15/54 + 90/5 = 329/18
In mixed form: 185/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/54+90/5 15/54+90/10 45/54+90/5 15/54+90/15 75/54+90/5 15/54+90/25 15/54+90/35