Answers

Subtract 21/98 from 84/8

1^st number: 10 4/8, 2^nd number: 21/98

84/8 - 21/98 is 72/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 98 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 8 × 49 = 392,
   84/8 = 84 × 49/8 × 49 = 4116/392
3. Likewise, for the 2nd fraction, since 98 × 4 = 392,
   21/98 = 21 × 4/98 × 4 = 84/392
4. Subtract the two like fractions:
   4116/392 - 84/392 = 4116 - 84/392 = 4032/392
5. After reducing the fraction, the answer is 72/7
6. In mixed form: 102/7

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