Answers

Subtract 84/20 from 90/14

1^st number: 6 6/14, 2^nd number: 4 4/20

90/14 - 84/20 is 78/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 14 × 10 = 140,
   90/14 = 90 × 10/14 × 10 = 900/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   84/20 = 84 × 7/20 × 7 = 588/140
4. Subtract the two like fractions:
   900/140 - 588/140 = 900 - 588/140 = 312/140
5. After reducing the fraction, the answer is 78/35
6. In mixed form: 28/35

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