Subtract 80/81 from 63/12
1st number: 5 3/12, 2nd number: 80/81
63/12 - 80/81 is 1381/324.
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,
63/12 = 63 × 27/12 × 27 = 1701/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
80/81 = 80 × 4/81 × 4 = 320/324 - Subtract the two like fractions:
1701/324 - 320/324 = 1701 - 320/324 = 1381/324 - In mixed form: 485/324
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