Answers

Subtract 49/8 from 42/80

1^st number: 42/80, 2^nd number: 6 1/8

42/80 - 49/8 is -28/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 8 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   42/80 = 42 × 1/80 × 1 = 42/80
3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
   49/8 = 49 × 10/8 × 10 = 490/80
4. Subtract the two like fractions:
   42/80 - 490/80 = 42 - 490/80 = -448/80
5. After reducing the fraction, the answer is -28/5

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