Answers

Subtract 28/49 from 70/42

1^st number: 1 28/42, 2^nd number: 28/49

70/42 - 28/49 is 23/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 49 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   70/42 = 70 × 7/42 × 7 = 490/294
3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
   28/49 = 28 × 6/49 × 6 = 168/294
4. Subtract the two like fractions:
   490/294 - 168/294 = 490 - 168/294 = 322/294
5. After reducing the fraction, the answer is 23/21
6. In mixed form: 12/21

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