Answers

Subtract 81/49 from 2/72

1^st number: 2/72, 2^nd number: 1 32/49

2/72 - 81/49 is -2867/1764.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 49 is 3528
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3528
2. For the 1st fraction, since 72 × 49 = 3528,
   2/72 = 2 × 49/72 × 49 = 98/3528
3. Likewise, for the 2nd fraction, since 49 × 72 = 3528,
   81/49 = 81 × 72/49 × 72 = 5832/3528
4. Subtract the two like fractions:
   98/3528 - 5832/3528 = 98 - 5832/3528 = -5734/3528
5. After reducing the fraction, the answer is -2867/1764

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