Subtract 72/5 from 25/81
1st number: 25/81, 2nd number: 14 2/5
25/81 - 72/5 is -5707/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 5 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
25/81 = 25 × 5/81 × 5 = 125/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
72/5 = 72 × 81/5 × 81 = 5832/405 - Subtract the two like fractions:
125/405 - 5832/405 = 125 - 5832/405 = -5707/405
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