Add 81/40 and 1/27
1st number: 2 1/40, 2nd number: 1/27
81/40 + 1/27 is 2227/1080.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
81/40 = 81 × 27/40 × 27 = 2187/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
1/27 = 1 × 40/27 × 40 = 40/1080 - Add the two like fractions:
2187/1080 + 40/1080 = 2187 + 40/1080 = 2227/1080 - So, 81/40 + 1/27 = 2227/1080
In mixed form: 267/1080
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/40+2/27 81/80+1/27 81/40+1/54 81/40+3/27 81/40+1/81 81/40+5/27 81/40+7/27