Subtract 14/5 from 28/81
1st number: 28/81, 2nd number: 2 4/5
28/81 - 14/5 is -994/405.
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,
28/81 = 28 × 5/81 × 5 = 140/405 - Likewise, for the 2nd fraction, since 5 × 81 = 405,
14/5 = 14 × 81/5 × 81 = 1134/405 - Subtract the two like fractions:
140/405 - 1134/405 = 140 - 1134/405 = -994/405
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