Answers

Subtract 18/10 from 98/70

1^st number: 1 28/70, 2^nd number: 1 8/10

98/70 - 18/10 is -2/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 10 is 70
2. For the 1st fraction, since 70 × 1 = 70,
   98/70 = 98 × 1/70 × 1 = 98/70
3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
   18/10 = 18 × 7/10 × 7 = 126/70
4. Subtract the two fractions:
   98/70 - 126/70 = 98 - 126/70 = -28/70
5. After reducing the fraction, the answer is -2/5

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