Answers

Subtract 9/7 from 42/30

1^st number: 1 12/30, 2^nd number: 1 2/7

42/30 - 9/7 is 4/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 7 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   42/30 = 42 × 7/30 × 7 = 294/210
3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
   9/7 = 9 × 30/7 × 30 = 270/210
4. Subtract the two like fractions:
   294/210 - 270/210 = 294 - 270/210 = 24/210
5. After reducing the fraction, the answer is 4/35

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