Answers

Subtract 20/28 from 70/64

1^st number: 1 6/64, 2^nd number: 20/28

70/64 - 20/28 is 85/224.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 28 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 64 × 7 = 448,
   70/64 = 70 × 7/64 × 7 = 490/448
3. Likewise, for the 2nd fraction, since 28 × 16 = 448,
   20/28 = 20 × 16/28 × 16 = 320/448
4. Subtract the two like fractions:
   490/448 - 320/448 = 490 - 320/448 = 170/448
5. After reducing the fraction, the answer is 85/224

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