Add 40/20 and 75/18
1st number: 2 0/20, 2nd number: 4 3/18
40/20 + 75/18 is 37/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
75/18 = 75 × 10/18 × 10 = 750/180 - Add the two like fractions:
360/180 + 750/180 = 360 + 750/180 = 1110/180 - 1110/180 simplified gives 37/6
- So, 40/20 + 75/18 = 37/6
In mixed form: 61/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+75/18 40/20+75/36 40/60+75/18 40/20+75/54 40/20+75/90