Answers

Subtract 49/20 from 16/45

1^st number: 16/45, 2^nd number: 2 9/20

16/45 - 49/20 is -377/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   16/45 = 16 × 4/45 × 4 = 64/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   49/20 = 49 × 9/20 × 9 = 441/180
4. Subtract the two like fractions:
   64/180 - 441/180 = 64 - 441/180 = -377/180

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