Answers

Subtract 15/7 from 10/5

1^st number: 2 0/5, 2^nd number: 2 1/7

10/5 - 15/7 is -1/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 7 is 35
   
   Next, find the equivalent fraction of both fractional numbers with denominator 35
2. For the 1st fraction, since 5 × 7 = 35,
   10/5 = 10 × 7/5 × 7 = 70/35
3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
   15/7 = 15 × 5/7 × 5 = 75/35
4. Subtract the two like fractions:
   70/35 - 75/35 = 70 - 75/35 = -5/35
5. After reducing the fraction, the answer is -1/7

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