Add 12/27 and 7/40
12/27 + 7/40 is 223/360.
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,
7/40 = 7 × 27/40 × 27 = 189/1080 - Add the two like fractions:
480/1080 + 189/1080 = 480 + 189/1080 = 669/1080 - 669/1080 simplified gives 223/360
- So, 12/27 + 7/40 = 223/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/27+7/40 12/27+14/40 12/54+7/40 12/27+7/80 36/27+7/40 12/27+21/40 12/81+7/40 60/27+7/40 12/27+35/40 84/27+7/40 12/27+49/40