Answers

Subtract 28/80 from 98/21

1^st number: 4 14/21, 2^nd number: 28/80

98/21 - 28/80 is 259/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 21 × 80 = 1680,
   98/21 = 98 × 80/21 × 80 = 7840/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   28/80 = 28 × 21/80 × 21 = 588/1680
4. Subtract the two like fractions:
   7840/1680 - 588/1680 = 7840 - 588/1680 = 7252/1680
5. After reducing the fraction, the answer is 259/60
6. In mixed form: 419/60

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