Answers

Subtract 4/64 from 40/28

1^st number: 1 12/28, 2^nd number: 4/64

40/28 - 4/64 is 153/112.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 64 is 448
   
   Next, find the equivalent fraction of both fractional numbers with denominator 448
2. For the 1st fraction, since 28 × 16 = 448,
   40/28 = 40 × 16/28 × 16 = 640/448
3. Likewise, for the 2nd fraction, since 64 × 7 = 448,
   4/64 = 4 × 7/64 × 7 = 28/448
4. Subtract the two like fractions:
   640/448 - 28/448 = 640 - 28/448 = 612/448
5. After reducing the fraction, the answer is 153/112
6. In mixed form: 141/112

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