Answers

Subtract 45/70 from 50/42

1^st number: 1 8/42, 2^nd number: 45/70

50/42 - 45/70 is 23/42.

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,
   50/42 = 50 × 5/42 × 5 = 250/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   45/70 = 45 × 3/70 × 3 = 135/210
4. Subtract the two like fractions:
   250/210 - 135/210 = 250 - 135/210 = 115/210
5. After reducing the fraction, the answer is 23/42

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