Answers

Subtract 30/63 from 98/20

1^st number: 4 18/20, 2^nd number: 30/63

98/20 - 30/63 is 929/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   98/20 = 98 × 63/20 × 63 = 6174/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   30/63 = 30 × 20/63 × 20 = 600/1260
4. Subtract the two like fractions:
   6174/1260 - 600/1260 = 6174 - 600/1260 = 5574/1260
5. After reducing the fraction, the answer is 929/210
6. In mixed form: 489/210

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