Add 81/54 and 54/72
1st number: 1 27/54, 2nd number: 54/72
81/54 + 54/72 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
81/54 = 81 × 4/54 × 4 = 324/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
54/72 = 54 × 3/72 × 3 = 162/216 - Add the two like fractions:
324/216 + 162/216 = 324 + 162/216 = 486/216 - 486/216 simplified gives 9/4
- So, 81/54 + 54/72 = 9/4
In mixed form: 21/4
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