Subtract 80/81 from 63/4
1st number: 15 3/4, 2nd number: 80/81
63/4 - 80/81 is 4783/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
63/4 = 63 × 81/4 × 81 = 5103/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
80/81 = 80 × 4/81 × 4 = 320/324 - Subtract the two like fractions:
5103/324 - 320/324 = 5103 - 320/324 = 4783/324 - In mixed form: 14247/324
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