Subtract 72/75 from 1/18
1/18 - 72/75 is -407/450.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
1/18 = 1 × 25/18 × 25 = 25/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
72/75 = 72 × 6/75 × 6 = 432/450 - Subtract the two like fractions:
25/450 - 432/450 = 25 - 432/450 = -407/450
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