Answers

Subtract 42/49 from 70/30

1^st number: 2 10/30, 2^nd number: 42/49

70/30 - 42/49 is 31/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 49 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 30 × 49 = 1470,
   70/30 = 70 × 49/30 × 49 = 3430/1470
3. Likewise, for the 2nd fraction, since 49 × 30 = 1470,
   42/49 = 42 × 30/49 × 30 = 1260/1470
4. Subtract the two like fractions:
   3430/1470 - 1260/1470 = 3430 - 1260/1470 = 2170/1470
5. After reducing the fraction, the answer is 31/21
6. In mixed form: 110/21

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