Subtract 9/75 from 1/21
1/21 - 9/75 is -38/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
1/21 = 1 × 25/21 × 25 = 25/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
9/75 = 9 × 7/75 × 7 = 63/525 - Subtract the two like fractions:
25/525 - 63/525 = 25 - 63/525 = -38/525
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