Answers

Subtract 63/60 from 75/21

1^st number: 3 12/21, 2^nd number: 1 3/60

75/21 - 63/60 is 353/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 21 × 20 = 420,
   75/21 = 75 × 20/21 × 20 = 1500/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   63/60 = 63 × 7/60 × 7 = 441/420
4. Subtract the two like fractions:
   1500/420 - 441/420 = 1500 - 441/420 = 1059/420
5. After reducing the fraction, the answer is 353/140
6. In mixed form: 273/140

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