Answers

Subtract 50/35 from 49/20

1^st number: 2 9/20, 2^nd number: 1 15/35

49/20 - 50/35 is 143/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   49/20 = 49 × 7/20 × 7 = 343/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   50/35 = 50 × 4/35 × 4 = 200/140
4. Subtract the two like fractions:
   343/140 - 200/140 = 343 - 200/140 = 143/140
5. In mixed form: 13/140

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