Answers

Subtract 35/49 from 70/42

1^st number: 1 28/42, 2^nd number: 35/49

70/42 - 35/49 is 20/21.

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,
   35/49 = 35 × 6/49 × 6 = 210/294
4. Subtract the two like fractions:
   490/294 - 210/294 = 490 - 210/294 = 280/294
5. After reducing the fraction, the answer is 20/21

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