Answers

Subtract 80/60 from 8/42

1^st number: 8/42, 2^nd number: 1 20/60

8/42 - 80/60 is -8/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   8/42 = 8 × 10/42 × 10 = 80/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   80/60 = 80 × 7/60 × 7 = 560/420
4. Subtract the two like fractions:
   80/420 - 560/420 = 80 - 560/420 = -480/420
5. After reducing the fraction, the answer is -8/7

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