Add 27/72 and 21/54
27/72 + 21/54 is 55/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
27/72 = 27 × 3/72 × 3 = 81/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
21/54 = 21 × 4/54 × 4 = 84/216 - Add the two like fractions:
81/216 + 84/216 = 81 + 84/216 = 165/216 - 165/216 simplified gives 55/72
- So, 27/72 + 21/54 = 55/72
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