Subtract 18/75 from 1/70
1/70 - 18/75 is -79/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 70 × 15 = 1050,
1/70 = 1 × 15/70 × 15 = 15/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
18/75 = 18 × 14/75 × 14 = 252/1050 - Subtract the two like fractions:
15/1050 - 252/1050 = 15 - 252/1050 = -237/1050 - After reducing the fraction, the answer is -79/350
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