Subtract 2/6 from 21/75
21/75 - 2/6 is -4/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
2/6 = 2 × 25/6 × 25 = 50/150 - Subtract the two like fractions:
42/150 - 50/150 = 42 - 50/150 = -8/150 - After reducing the fraction, the answer is -4/75
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