Answers

Subtract 10/7 from 6/18

1^st number: 6/18, 2^nd number: 1 3/7

6/18 - 10/7 is -23/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 7 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   6/18 = 6 × 7/18 × 7 = 42/126
3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
   10/7 = 10 × 18/7 × 18 = 180/126
4. Subtract the two like fractions:
   42/126 - 180/126 = 42 - 180/126 = -138/126
5. After reducing the fraction, the answer is -23/21

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