Answers

Subtract 7/20 from 49/10

1^st number: 4 9/10, 2^nd number: 7/20

49/10 - 7/20 is 91/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   49/10 = 49 × 2/10 × 2 = 98/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   7/20 = 7 × 1/20 × 1 = 7/20
4. Subtract the two like fractions:
   98/20 - 7/20 = 98 - 7/20 = 91/20
5. In mixed form: 411/20

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