Add 72/12 and 40/81
1st number: 6 0/12, 2nd number: 40/81
72/12 + 40/81 is 526/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 12 × 27 = 324,
72/12 = 72 × 27/12 × 27 = 1944/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
40/81 = 40 × 4/81 × 4 = 160/324 - Add the two like fractions:
1944/324 + 160/324 = 1944 + 160/324 = 2104/324 - 2104/324 simplified gives 526/81
- So, 72/12 + 40/81 = 526/81
In mixed form: 640/81
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