Answers

Subtract 75/20 from 70/35

1^st number: 2 0/35, 2^nd number: 3 15/20

70/35 - 75/20 is -7/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 35 × 4 = 140,
   70/35 = 70 × 4/35 × 4 = 280/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   75/20 = 75 × 7/20 × 7 = 525/140
4. Subtract the two like fractions:
   280/140 - 525/140 = 280 - 525/140 = -245/140
5. After reducing the fraction, the answer is -7/4

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