Subtract 40/72 from 3/14
3/14 - 40/72 is -43/126.
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,
3/14 = 3 × 36/14 × 36 = 108/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
40/72 = 40 × 7/72 × 7 = 280/504 - Subtract the two like fractions:
108/504 - 280/504 = 108 - 280/504 = -172/504 - After reducing the fraction, the answer is -43/126
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