Subtract 40/14 from 40/72
1st number: 40/72, 2nd number: 2 12/14
40/72 - 40/14 is -145/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
40/72 = 40 × 7/72 × 7 = 280/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
40/14 = 40 × 36/14 × 36 = 1440/504 - Subtract the two like fractions:
280/504 - 1440/504 = 280 - 1440/504 = -1160/504 - After reducing the fraction, the answer is -145/63
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