Answers

Subtract 20/45 from 98/12

1^st number: 8 2/12, 2^nd number: 20/45

98/12 - 20/45 is 139/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   98/12 = 98 × 15/12 × 15 = 1470/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   20/45 = 20 × 4/45 × 4 = 80/180
4. Subtract the two like fractions:
   1470/180 - 80/180 = 1470 - 80/180 = 1390/180
5. After reducing the fraction, the answer is 139/18
6. In mixed form: 713/18

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