Add 54/30 and 80/18
1st number: 1 24/30, 2nd number: 4 8/18
54/30 + 80/18 is 281/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
54/30 = 54 × 3/30 × 3 = 162/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Add the two like fractions:
162/90 + 400/90 = 162 + 400/90 = 562/90 - 562/90 simplified gives 281/45
- So, 54/30 + 80/18 = 281/45
In mixed form: 611/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+80/18 54/30+80/36 54/90+80/18 54/30+80/54 54/30+80/90