Add 27/40 and 10/18
27/40 + 10/18 is 443/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
27/40 = 27 × 9/40 × 9 = 243/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
10/18 = 10 × 20/18 × 20 = 200/360 - Add the two like fractions:
243/360 + 200/360 = 243 + 200/360 = 443/360 - So, 27/40 + 10/18 = 443/360
In mixed form: 183/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+10/18 27/40+20/18 27/80+10/18 27/40+10/36 81/40+10/18 27/40+30/18 27/40+10/54 27/40+50/18 27/40+10/90 27/40+70/18