Answers

Subtract 98/64 from 30/70

1^st number: 30/70, 2^nd number: 1 34/64

30/70 - 98/64 is -247/224.

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,
   30/70 = 30 × 32/70 × 32 = 960/2240
3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
   98/64 = 98 × 35/64 × 35 = 3430/2240
4. Subtract the two like fractions:
   960/2240 - 3430/2240 = 960 - 3430/2240 = -2470/2240
5. After reducing the fraction, the answer is -247/224

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