Subtract 80/21 from 56/75
1st number: 56/75, 2nd number: 3 17/21
56/75 - 80/21 is -536/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
56/75 = 56 × 7/75 × 7 = 392/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
80/21 = 80 × 25/21 × 25 = 2000/525 - Subtract the two like fractions:
392/525 - 2000/525 = 392 - 2000/525 = -1608/525 - After reducing the fraction, the answer is -536/175
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