Answers

Subtract 63/35 from 45/20

1^st number: 2 5/20, 2^nd number: 1 28/35

45/20 - 63/35 is 9/20.

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,
   45/20 = 45 × 7/20 × 7 = 315/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   63/35 = 63 × 4/35 × 4 = 252/140
4. Subtract the two like fractions:
   315/140 - 252/140 = 315 - 252/140 = 63/140
5. After reducing the fraction, the answer is 9/20

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