Add 20/36 and 2/72
20/36 + 2/72 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
20/36 = 20 × 2/36 × 2 = 40/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Add the two like fractions:
40/72 + 2/72 = 40 + 2/72 = 42/72 - 42/72 simplified gives 7/12
- So, 20/36 + 2/72 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+2/72 20/36+4/72 20/72+2/72 60/36+2/72 20/36+6/72 20/36+10/72 20/36+14/72