Answers

Subtract 9/72 from 60/20

1^st number: 3 0/20, 2^nd number: 9/72

60/20 - 9/72 is 23/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   60/20 = 60 × 18/20 × 18 = 1080/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   9/72 = 9 × 5/72 × 5 = 45/360
4. Subtract the two like fractions:
   1080/360 - 45/360 = 1080 - 45/360 = 1035/360
5. After reducing the fraction, the answer is 23/8
6. In mixed form: 27/8

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