Answers

Subtract 48/30 from 84/42

1^st number: 2 0/42, 2^nd number: 1 18/30

84/42 - 48/30 is 2/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   84/42 = 84 × 5/42 × 5 = 420/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   48/30 = 48 × 7/30 × 7 = 336/210
4. Subtract the two like fractions:
   420/210 - 336/210 = 420 - 336/210 = 84/210
5. After reducing the fraction, the answer is 2/5

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