Answers

Subtract 40/50 from 75/21

1^st number: 3 12/21, 2^nd number: 40/50

75/21 - 40/50 is 97/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 50 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 21 × 50 = 1050,
   75/21 = 75 × 50/21 × 50 = 3750/1050
3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
   40/50 = 40 × 21/50 × 21 = 840/1050
4. Subtract the two like fractions:
   3750/1050 - 840/1050 = 3750 - 840/1050 = 2910/1050
5. After reducing the fraction, the answer is 97/35
6. In mixed form: 227/35

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