Answers

Subtract 30/42 from 90/35

1^st number: 2 20/35, 2^nd number: 30/42

90/35 - 30/42 is 13/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 35 × 6 = 210,
   90/35 = 90 × 6/35 × 6 = 540/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   30/42 = 30 × 5/42 × 5 = 150/210
4. Subtract the two like fractions:
   540/210 - 150/210 = 540 - 150/210 = 390/210
5. After reducing the fraction, the answer is 13/7
6. In mixed form: 16/7

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