Subtract 40/7 from 72/75
1st number: 72/75, 2nd number: 5 5/7
72/75 - 40/7 is -832/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
72/75 = 72 × 7/75 × 7 = 504/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
40/7 = 40 × 75/7 × 75 = 3000/525 - Subtract the two like fractions:
504/525 - 3000/525 = 504 - 3000/525 = -2496/525 - After reducing the fraction, the answer is -832/175
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