Answers

Subtract 20/21 from 84/35

1^st number: 2 14/35, 2^nd number: 20/21

84/35 - 20/21 is 152/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 21 is 105
   
   Next, find the equivalent fraction of both fractional numbers with denominator 105
2. For the 1st fraction, since 35 × 3 = 105,
   84/35 = 84 × 3/35 × 3 = 252/105
3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
   20/21 = 20 × 5/21 × 5 = 100/105
4. Subtract the two like fractions:
   252/105 - 100/105 = 252 - 100/105 = 152/105
5. In mixed form: 147/105

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