Subtract 80/25 from 25/21
1st number: 1 4/21, 2nd number: 3 5/25
25/21 - 80/25 is -211/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
25/21 = 25 × 25/21 × 25 = 625/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
80/25 = 80 × 21/25 × 21 = 1680/525 - Subtract the two like fractions:
625/525 - 1680/525 = 625 - 1680/525 = -1055/525 - After reducing the fraction, the answer is -211/105
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