Answers

Subtract 6/40 from 84/28

1^st number: 3 0/28, 2^nd number: 6/40

84/28 - 6/40 is 57/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 28 × 10 = 280,
   84/28 = 84 × 10/28 × 10 = 840/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   6/40 = 6 × 7/40 × 7 = 42/280
4. Subtract the two like fractions:
   840/280 - 42/280 = 840 - 42/280 = 798/280
5. After reducing the fraction, the answer is 57/20
6. In mixed form: 217/20

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