Answers

Subtract 9/7 from 8/10

1^st number: 8/10, 2^nd number: 1 2/7

8/10 - 9/7 is -17/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 7 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 10 × 7 = 70,
   8/10 = 8 × 7/10 × 7 = 56/70
3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
   9/7 = 9 × 10/7 × 10 = 90/70
4. Subtract the two like fractions:
   56/70 - 90/70 = 56 - 90/70 = -34/70
5. After reducing the fraction, the answer is -17/35

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