Answers

Subtract 8/7 from 7/10

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

7/10 - 8/7 is -31/70.

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,
   7/10 = 7 × 7/10 × 7 = 49/70
3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
   8/7 = 8 × 10/7 × 10 = 80/70
4. Subtract the two like fractions:
   49/70 - 80/70 = 49 - 80/70 = -31/70

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