Answers

Subtract 40/35 from 30/84

1^st number: 30/84, 2^nd number: 1 5/35

30/84 - 40/35 is -11/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 35 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   30/84 = 30 × 5/84 × 5 = 150/420
3. Likewise, for the 2nd fraction, since 35 × 12 = 420,
   40/35 = 40 × 12/35 × 12 = 480/420
4. Subtract the two like fractions:
   150/420 - 480/420 = 150 - 480/420 = -330/420
5. After reducing the fraction, the answer is -11/14

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