Answers

Subtract 70/18 from 80/75

1^st number: 1 5/75, 2^nd number: 3 16/18

80/75 - 70/18 is -127/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 75 × 6 = 450,
   80/75 = 80 × 6/75 × 6 = 480/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   70/18 = 70 × 25/18 × 25 = 1750/450
4. Subtract the two like fractions:
   480/450 - 1750/450 = 480 - 1750/450 = -1270/450
5. After reducing the fraction, the answer is -127/45

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