Answers

Subtract 60/20 from 64/45

1^st number: 1 19/45, 2^nd number: 3 0/20

64/45 - 60/20 is -71/45.

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,
   64/45 = 64 × 4/45 × 4 = 256/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   60/20 = 60 × 9/20 × 9 = 540/180
4. Subtract the two like fractions:
   256/180 - 540/180 = 256 - 540/180 = -284/180
5. After reducing the fraction, the answer is -71/45

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