Answers

Subtract 18/63 from 98/30

1^st number: 3 8/30, 2^nd number: 18/63

98/30 - 18/63 is 313/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 30 × 21 = 630,
   98/30 = 98 × 21/30 × 21 = 2058/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   18/63 = 18 × 10/63 × 10 = 180/630
4. Subtract the two like fractions:
   2058/630 - 180/630 = 2058 - 180/630 = 1878/630
5. After reducing the fraction, the answer is 313/105
6. In mixed form: 2103/105

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