Answers

Subtract 7/64 from 98/90

1^st number: 1 8/90, 2^nd number: 7/64

98/90 - 7/64 is 2821/2880.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 64 is 2880
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2880
2. For the 1st fraction, since 90 × 32 = 2880,
   98/90 = 98 × 32/90 × 32 = 3136/2880
3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
   7/64 = 7 × 45/64 × 45 = 315/2880
4. Subtract the two like fractions:
   3136/2880 - 315/2880 = 3136 - 315/2880 = 2821/2880

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