Answers

Subtract 98/64 from 42/30

1^st number: 1 12/30, 2^nd number: 1 34/64

42/30 - 98/64 is -21/160.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 30 × 32 = 960,
   42/30 = 42 × 32/30 × 32 = 1344/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   98/64 = 98 × 15/64 × 15 = 1470/960
4. Subtract the two like fractions:
   1344/960 - 1470/960 = 1344 - 1470/960 = -126/960
5. After reducing the fraction, the answer is -21/160

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