Answers

Subtract 49/10 from 8/4

1^st number: 2 0/4, 2^nd number: 4 9/10

8/4 - 49/10 is -29/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   8/4 = 8 × 5/4 × 5 = 40/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   49/10 = 49 × 2/10 × 2 = 98/20
4. Subtract the two like fractions:
   40/20 - 98/20 = 40 - 98/20 = -58/20
5. After reducing the fraction, the answer is -29/10

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