Add 75/45 and 40/18
1st number: 1 30/45, 2nd number: 2 4/18
75/45 + 40/18 is 35/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
75/45 = 75 × 2/45 × 2 = 150/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Add the two like fractions:
150/90 + 200/90 = 150 + 200/90 = 350/90 - 350/90 simplified gives 35/9
- So, 75/45 + 40/18 = 35/9
In mixed form: 38/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/45+80/18 75/90+40/18 75/45+40/36 75/45+40/54 75/45+40/90