Subtract 21/75 from 6/72
6/72 - 21/75 is -59/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 75 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
6/72 = 6 × 25/72 × 25 = 150/1800 - Likewise, for the 2nd fraction, since 75 × 24 = 1800,
21/75 = 21 × 24/75 × 24 = 504/1800 - Subtract the two like fractions:
150/1800 - 504/1800 = 150 - 504/1800 = -354/1800 - After reducing the fraction, the answer is -59/300
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