Add 54/18 and 10/45
1st number: 3 0/18, 2nd number: 10/45
54/18 + 10/45 is 29/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
54/18 = 54 × 5/18 × 5 = 270/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
10/45 = 10 × 2/45 × 2 = 20/90 - Add the two like fractions:
270/90 + 20/90 = 270 + 20/90 = 290/90 - 290/90 simplified gives 29/9
- So, 54/18 + 10/45 = 29/9
In mixed form: 32/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+20/45 54/36+10/45 54/18+10/90 54/18+30/45 54/18+50/45 54/90+10/45 54/18+70/45