Answers

Subtract 40/14 from 70/72

1^st number: 70/72, 2^nd number: 2 12/14

70/72 - 40/14 is -475/252.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 72 × 7 = 504,
   70/72 = 70 × 7/72 × 7 = 490/504
3. Likewise, for the 2nd fraction, since 14 × 36 = 504,
   40/14 = 40 × 36/14 × 36 = 1440/504
4. Subtract the two like fractions:
   490/504 - 1440/504 = 490 - 1440/504 = -950/504
5. After reducing the fraction, the answer is -475/252

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