Add 12/20 and 1/27
12/20 + 1/27 is 86/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
12/20 = 12 × 27/20 × 27 = 324/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
1/27 = 1 × 20/27 × 20 = 20/540 - Add the two like fractions:
324/540 + 20/540 = 324 + 20/540 = 344/540 - 344/540 simplified gives 86/135
- So, 12/20 + 1/27 = 86/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+1/27 12/20+2/27 12/40+1/27 12/20+1/54 36/20+1/27 12/20+3/27 12/60+1/27 12/20+1/81 60/20+1/27 12/20+5/27 84/20+1/27 12/20+7/27