Answers

Subtract 9/98 from 90/70

1^st number: 1 20/70, 2^nd number: 9/98

90/70 - 9/98 is 117/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 98 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 70 × 7 = 490,
   90/70 = 90 × 7/70 × 7 = 630/490
3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
   9/98 = 9 × 5/98 × 5 = 45/490
4. Subtract the two like fractions:
   630/490 - 45/490 = 630 - 45/490 = 585/490
5. After reducing the fraction, the answer is 117/98
6. In mixed form: 119/98

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