Answers

Subtract 6/72 from 2/45

2/45 - 6/72 is -7/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   2/45 = 2 × 8/45 × 8 = 16/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   6/72 = 6 × 5/72 × 5 = 30/360
4. Subtract the two like fractions:
   16/360 - 30/360 = 16 - 30/360 = -14/360
5. After reducing the fraction, the answer is -7/180

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