Answers

Subtract 7/64 from 80/70

1^st number: 1 10/70, 2^nd number: 7/64

80/70 - 7/64 is 463/448.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 64 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 70 × 32 = 2240,
   80/70 = 80 × 32/70 × 32 = 2560/2240
3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
   7/64 = 7 × 35/64 × 35 = 245/2240
4. Subtract the two like fractions:
   2560/2240 - 245/2240 = 2560 - 245/2240 = 2315/2240
5. After reducing the fraction, the answer is 463/448
6. In mixed form: 115/448

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