Answers

Subtract 20/40 from 70/64

1^st number: 1 6/64, 2^nd number: 20/40

70/64 - 20/40 is 19/32.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 40 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   70/64 = 70 × 5/64 × 5 = 350/320
3. Likewise, for the 2nd fraction, since 40 × 8 = 320,
   20/40 = 20 × 8/40 × 8 = 160/320
4. Subtract the two like fractions:
   350/320 - 160/320 = 350 - 160/320 = 190/320
5. After reducing the fraction, the answer is 19/32

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