Add 81/72 and 84/54
1st number: 1 9/72, 2nd number: 1 30/54
81/72 + 84/54 is 193/72.
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,
81/72 = 81 × 3/72 × 3 = 243/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
84/54 = 84 × 4/54 × 4 = 336/216 - Add the two like fractions:
243/216 + 336/216 = 243 + 336/216 = 579/216 - 579/216 simplified gives 193/72
- So, 81/72 + 84/54 = 193/72
In mixed form: 249/72
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