Answers

Subtract 50/42 from 70/18

1^st number: 3 16/18, 2^nd number: 1 8/42

70/18 - 50/42 is 170/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 42 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   70/18 = 70 × 7/18 × 7 = 490/126
3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
   50/42 = 50 × 3/42 × 3 = 150/126
4. Subtract the two like fractions:
   490/126 - 150/126 = 490 - 150/126 = 340/126
5. After reducing the fraction, the answer is 170/63
6. In mixed form: 244/63

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