Answers

Subtract 42/27 from 70/98

1^st number: 70/98, 2^nd number: 1 15/27

70/98 - 42/27 is -53/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 27 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 98 × 27 = 2646,
   70/98 = 70 × 27/98 × 27 = 1890/2646
3. Likewise, for the 2nd fraction, since 27 × 98 = 2646,
   42/27 = 42 × 98/27 × 98 = 4116/2646
4. Subtract the two like fractions:
   1890/2646 - 4116/2646 = 1890 - 4116/2646 = -2226/2646
5. After reducing the fraction, the answer is -53/63

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