Subtract 12/81 from 70/36
1st number: 1 34/36, 2nd number: 12/81
70/36 - 12/81 is 97/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 36 × 9 = 324,
70/36 = 70 × 9/36 × 9 = 630/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
12/81 = 12 × 4/81 × 4 = 48/324 - Subtract the two like fractions:
630/324 - 48/324 = 630 - 48/324 = 582/324 - After reducing the fraction, the answer is 97/54
- In mixed form: 143/54
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