Answers

Subtract 70/18 from 72/50

1^st number: 1 22/50, 2^nd number: 3 16/18

72/50 - 70/18 is -551/225.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   72/50 = 72 × 9/50 × 9 = 648/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   70/18 = 70 × 25/18 × 25 = 1750/450
4. Subtract the two like fractions:
   648/450 - 1750/450 = 648 - 1750/450 = -1102/450
5. After reducing the fraction, the answer is -551/225

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