Answers

Subtract 12/40 from 70/64

1^st number: 1 6/64, 2^nd number: 12/40

70/64 - 12/40 is 127/160.

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,
   12/40 = 12 × 8/40 × 8 = 96/320
4. Subtract the two like fractions:
   350/320 - 96/320 = 350 - 96/320 = 254/320
5. After reducing the fraction, the answer is 127/160

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