Subtract 80/25 from 50/21
1st number: 2 8/21, 2nd number: 3 5/25
50/21 - 80/25 is -86/105.
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,
50/21 = 50 × 25/21 × 25 = 1250/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
80/25 = 80 × 21/25 × 21 = 1680/525 - Subtract the two like fractions:
1250/525 - 1680/525 = 1250 - 1680/525 = -430/525 - After reducing the fraction, the answer is -86/105
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