Add 28/72 and 9/27
28/72 + 9/27 is 13/18.
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,
28/72 = 28 × 3/72 × 3 = 84/216 - Likewise, for the 2nd fraction, since 27 × 8 = 216,
9/27 = 9 × 8/27 × 8 = 72/216 - Add the two like fractions:
84/216 + 72/216 = 84 + 72/216 = 156/216 - 156/216 simplified gives 13/18
- So, 28/72 + 9/27 = 13/18
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