Answers

Subtract 9/7 from 8/4

1^st number: 2 0/4, 2^nd number: 1 2/7

8/4 - 9/7 is 5/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 7 is 28
   
   Next, find the equivalent fraction of both fractional numbers with denominator 28
2. For the 1st fraction, since 4 × 7 = 28,
   8/4 = 8 × 7/4 × 7 = 56/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   9/7 = 9 × 4/7 × 4 = 36/28
4. Subtract the two like fractions:
   56/28 - 36/28 = 56 - 36/28 = 20/28
5. After reducing the fraction, the answer is 5/7

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