Subtract 27/70 from 15/75
15/75 - 27/70 is -13/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
15/75 = 15 × 14/75 × 14 = 210/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
27/70 = 27 × 15/70 × 15 = 405/1050 - Subtract the two like fractions:
210/1050 - 405/1050 = 210 - 405/1050 = -195/1050 - After reducing the fraction, the answer is -13/70
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