Add 15/45 and 3/54
15/45 + 3/54 is 7/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
15/45 = 15 × 6/45 × 6 = 90/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
3/54 = 3 × 5/54 × 5 = 15/270 - Add the two like fractions:
90/270 + 15/270 = 90 + 15/270 = 105/270 - 105/270 simplified gives 7/18
- So, 15/45 + 3/54 = 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45+3/54 15/45+6/54 15/90+3/54 15/45+9/54 75/45+3/54 15/45+15/54 15/45+21/54