Subtract 56/81 from 72/12
1st number: 6 0/12, 2nd number: 56/81
72/12 - 56/81 is 430/81.
Steps for subtracting 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,
56/81 = 56 × 4/81 × 4 = 224/324 - Subtract the two like fractions:
1944/324 - 224/324 = 1944 - 224/324 = 1720/324 - After reducing the fraction, the answer is 430/81
- In mixed form: 525/81
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