Answers

Subtract 63/20 from 35/70

1^st number: 35/70, 2^nd number: 3 3/20

35/70 - 63/20 is -53/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   35/70 = 35 × 2/70 × 2 = 70/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   63/20 = 63 × 7/20 × 7 = 441/140
4. Subtract the two like fractions:
   70/140 - 441/140 = 70 - 441/140 = -371/140
5. After reducing the fraction, the answer is -53/20

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