Subtract 42/75 from 1/3
1/3 - 42/75 is -17/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
1/3 = 1 × 25/3 × 25 = 25/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
42/75 = 42 × 1/75 × 1 = 42/75 - Subtract the two like fractions:
25/75 - 42/75 = 25 - 42/75 = -17/75
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