Answers

Subtract 15/7 from 6/4

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

6/4 - 15/7 is -9/14.

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,
   6/4 = 6 × 7/4 × 7 = 42/28
3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
   15/7 = 15 × 4/7 × 4 = 60/28
4. Subtract the two like fractions:
   42/28 - 60/28 = 42 - 60/28 = -18/28
5. After reducing the fraction, the answer is -9/14

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