Answers

Subtract 70/9 from 20/24

1^st number: 20/24, 2^nd number: 7 7/9

20/24 - 70/9 is -125/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 9 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 24 × 3 = 72,
   20/24 = 20 × 3/24 × 3 = 60/72
3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
   70/9 = 70 × 8/9 × 8 = 560/72
4. Subtract the two like fractions:
   60/72 - 560/72 = 60 - 560/72 = -500/72
5. After reducing the fraction, the answer is -125/18

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