Answers

Subtract 70/18 from 24/20

1^st number: 1 4/20, 2^nd number: 3 16/18

24/20 - 70/18 is -121/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 18 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   24/20 = 24 × 9/20 × 9 = 216/180
3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
   70/18 = 70 × 10/18 × 10 = 700/180
4. Subtract the two like fractions:
   216/180 - 700/180 = 216 - 700/180 = -484/180
5. After reducing the fraction, the answer is -121/45

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