Subtract 21/75 from 1/6
1/6 - 21/75 is -17/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 6 × 25 = 150,
1/6 = 1 × 25/6 × 25 = 25/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Subtract the two like fractions:
25/150 - 42/150 = 25 - 42/150 = -17/150
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