Answers

Subtract 20/72 from 1/60

1/60 - 20/72 is -47/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 60 × 6 = 360,
   1/60 = 1 × 6/60 × 6 = 6/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   20/72 = 20 × 5/72 × 5 = 100/360
4. Subtract the two like fractions:
   6/360 - 100/360 = 6 - 100/360 = -94/360
5. After reducing the fraction, the answer is -47/180

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