Add 27/36 and 80/40
1st number: 27/36, 2nd number: 2 0/40
27/36 + 80/40 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
27/36 = 27 × 10/36 × 10 = 270/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
80/40 = 80 × 9/40 × 9 = 720/360 - Add the two like fractions:
270/360 + 720/360 = 270 + 720/360 = 990/360 - 990/360 simplified gives 11/4
- So, 27/36 + 80/40 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+80/40 27/72+80/40 81/36+80/40