Answers

Subtract 3/70 from 63/42

1^st number: 1 21/42, 2^nd number: 3/70

63/42 - 3/70 is 51/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   63/42 = 63 × 5/42 × 5 = 315/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   3/70 = 3 × 3/70 × 3 = 9/210
4. Subtract the two like fractions:
   315/210 - 9/210 = 315 - 9/210 = 306/210
5. After reducing the fraction, the answer is 51/35
6. In mixed form: 116/35

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