Answers

Subtract 40/25 from 21/6

1^st number: 3 3/6, 2^nd number: 1 15/25

21/6 - 40/25 is 19/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 25 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 6 × 25 = 150,
   21/6 = 21 × 25/6 × 25 = 525/150
3. Likewise, for the 2nd fraction, since 25 × 6 = 150,
   40/25 = 40 × 6/25 × 6 = 240/150
4. Subtract the two like fractions:
   525/150 - 240/150 = 525 - 240/150 = 285/150
5. After reducing the fraction, the answer is 19/10
6. In mixed form: 19/10

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