Subtract 18/72 from 12/14
12/14 - 18/72 is 17/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
12/14 = 12 × 36/14 × 36 = 432/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Subtract the two like fractions:
432/504 - 126/504 = 432 - 126/504 = 306/504 - After reducing the fraction, the answer is 17/28
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