Answers

Subtract 4/10 from 98/80

1^st number: 1 18/80, 2^nd number: 4/10

98/80 - 4/10 is 33/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 10 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   98/80 = 98 × 1/80 × 1 = 98/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   4/10 = 4 × 8/10 × 8 = 32/80
4. Subtract the two like fractions:
   98/80 - 32/80 = 98 - 32/80 = 66/80
5. After reducing the fraction, the answer is 33/40

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