Answers

Subtract 18/49 from 45/20

1^st number: 2 5/20, 2^nd number: 18/49

45/20 - 18/49 is 369/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 49 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 20 × 49 = 980,
   45/20 = 45 × 49/20 × 49 = 2205/980
3. Likewise, for the 2nd fraction, since 49 × 20 = 980,
   18/49 = 18 × 20/49 × 20 = 360/980
4. Subtract the two like fractions:
   2205/980 - 360/980 = 2205 - 360/980 = 1845/980
5. After reducing the fraction, the answer is 369/196
6. In mixed form: 1173/196

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