Add 20/72 and 18/27
20/72 + 18/27 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 27 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
20/72 = 20 × 3/72 × 3 = 60/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
18/27 = 18 × 8/27 × 8 = 144/216 - Add the two like fractions:
60/216 + 144/216 = 60 + 144/216 = 204/216 - 204/216 simplified gives 17/18
- So, 20/72 + 18/27 = 17/18
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