Answers

Subtract 1/30 from 84/72

1^st number: 1 12/72, 2^nd number: 1/30

84/72 - 1/30 is 17/15.

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,
   84/72 = 84 × 5/72 × 5 = 420/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   1/30 = 1 × 12/30 × 12 = 12/360
4. Subtract the two like fractions:
   420/360 - 12/360 = 420 - 12/360 = 408/360
5. After reducing the fraction, the answer is 17/15
6. In mixed form: 12/15

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