Add 12/27 and 5/40
12/27 + 5/40 is 41/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
12/27 = 12 × 40/27 × 40 = 480/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
5/40 = 5 × 27/40 × 27 = 135/1080 - Add the two like fractions:
480/1080 + 135/1080 = 480 + 135/1080 = 615/1080 - 615/1080 simplified gives 41/72
- So, 12/27 + 5/40 = 41/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+5/40 12/27+10/40 12/54+5/40 12/27+5/80 36/27+5/40 12/27+15/40 12/81+5/40 60/27+5/40 12/27+25/40 84/27+5/40 12/27+35/40