Answers

Subtract 3/98 from 42/40

1^st number: 1 2/40, 2^nd number: 3/98

42/40 - 3/98 is 999/980.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 98 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 40 × 49 = 1960,
   42/40 = 42 × 49/40 × 49 = 2058/1960
3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
   3/98 = 3 × 20/98 × 20 = 60/1960
4. Subtract the two like fractions:
   2058/1960 - 60/1960 = 2058 - 60/1960 = 1998/1960
5. After reducing the fraction, the answer is 999/980
6. In mixed form: 119/980

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