Answers

Subtract 7/63 from 75/20

1^st number: 3 15/20, 2^nd number: 7/63

75/20 - 7/63 is 131/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   75/20 = 75 × 63/20 × 63 = 4725/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   7/63 = 7 × 20/63 × 20 = 140/1260
4. Subtract the two like fractions:
   4725/1260 - 140/1260 = 4725 - 140/1260 = 4585/1260
5. After reducing the fraction, the answer is 131/36
6. In mixed form: 323/36

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