Answers

Subtract 70/42 from 60/20

1^st number: 3 0/20, 2^nd number: 1 28/42

60/20 - 70/42 is 4/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   60/20 = 60 × 21/20 × 21 = 1260/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   70/42 = 70 × 10/42 × 10 = 700/420
4. Subtract the two like fractions:
   1260/420 - 700/420 = 1260 - 700/420 = 560/420
5. After reducing the fraction, the answer is 4/3
6. In mixed form: 11/3

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