Answers

Subtract 70/90 from 98/42

1^st number: 2 14/42, 2^nd number: 70/90

98/42 - 70/90 is 14/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 42 × 15 = 630,
   98/42 = 98 × 15/42 × 15 = 1470/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   70/90 = 70 × 7/90 × 7 = 490/630
4. Subtract the two like fractions:
   1470/630 - 490/630 = 1470 - 490/630 = 980/630
5. After reducing the fraction, the answer is 14/9
6. In mixed form: 15/9

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