Answers

Subtract 40/84 from 50/21

1^st number: 2 8/21, 2^nd number: 40/84

50/21 - 40/84 is 40/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   50/21 = 50 × 4/21 × 4 = 200/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   40/84 = 40 × 1/84 × 1 = 40/84
4. Subtract the two like fractions:
   200/84 - 40/84 = 200 - 40/84 = 160/84
5. After reducing the fraction, the answer is 40/21
6. In mixed form: 119/21

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