Add 30/40 and 3/27
30/40 + 3/27 is 31/36.
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,
30/40 = 30 × 27/40 × 27 = 810/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
3/27 = 3 × 40/27 × 40 = 120/1080 - Add the two like fractions:
810/1080 + 120/1080 = 810 + 120/1080 = 930/1080 - 930/1080 simplified gives 31/36
- So, 30/40 + 3/27 = 31/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+3/27 30/40+6/27 30/80+3/27 30/40+3/54 90/40+3/27 30/40+9/27 30/40+3/81 30/40+15/27 30/40+21/27