Add 20/36 and 28/72
20/36 + 28/72 is 17/18.
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,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
40/72 + 28/72 = 40 + 28/72 = 68/72 - 68/72 simplified gives 17/18
- So, 20/36 + 28/72 = 17/18
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