Answers

Subtract 70/20 from 30/35

1^st number: 30/35, 2^nd number: 3 10/20

30/35 - 70/20 is -37/14.

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,
   30/35 = 30 × 4/35 × 4 = 120/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   70/20 = 70 × 7/20 × 7 = 490/140
4. Subtract the two like fractions:
   120/140 - 490/140 = 120 - 490/140 = -370/140
5. After reducing the fraction, the answer is -37/14

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