Answers

Subtract 28/20 from 70/16

1^st number: 4 6/16, 2^nd number: 1 8/20

70/16 - 28/20 is 119/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   70/16 = 70 × 5/16 × 5 = 350/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   28/20 = 28 × 4/20 × 4 = 112/80
4. Subtract the two like fractions:
   350/80 - 112/80 = 350 - 112/80 = 238/80
5. After reducing the fraction, the answer is 119/40
6. In mixed form: 239/40

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