Answers

Subtract 4/30 from 8/72

8/72 - 4/30 is -1/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   8/72 = 8 × 5/72 × 5 = 40/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   4/30 = 4 × 12/30 × 12 = 48/360
4. Subtract the two like fractions:
   40/360 - 48/360 = 40 - 48/360 = -8/360
5. After reducing the fraction, the answer is -1/45

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