Answers

Subtract 80/60 from 42/30

1^st number: 1 12/30, 2^nd number: 1 20/60

42/30 - 80/60 is 1/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 30 × 2 = 60,
   42/30 = 42 × 2/30 × 2 = 84/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   80/60 = 80 × 1/60 × 1 = 80/60
4. Subtract the two like fractions:
   84/60 - 80/60 = 84 - 80/60 = 4/60
5. After reducing the fraction, the answer is 1/15

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