Add 80/15 and 35/54
1st number: 5 5/15, 2nd number: 35/54
80/15 + 35/54 is 323/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
80/15 = 80 × 18/15 × 18 = 1440/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
35/54 = 35 × 5/54 × 5 = 175/270 - Add the two like fractions:
1440/270 + 175/270 = 1440 + 175/270 = 1615/270 - 1615/270 simplified gives 323/54
- So, 80/15 + 35/54 = 323/54
In mixed form: 553/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+70/54 80/30+35/54 80/45+35/54 80/75+35/54