Answers

Subtract 8/7 from 7/4

1^st number: 1 3/4, 2^nd number: 1 1/7

7/4 - 8/7 is 17/28.

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,
   7/4 = 7 × 7/4 × 7 = 49/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   8/7 = 8 × 4/7 × 4 = 32/28
4. Subtract the two like fractions:
   49/28 - 32/28 = 49 - 32/28 = 17/28

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