Answers

Subtract 15/72 from 30/20

1^st number: 1 10/20, 2^nd number: 15/72

30/20 - 15/72 is 31/24.

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,
   30/20 = 30 × 18/20 × 18 = 540/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   15/72 = 15 × 5/72 × 5 = 75/360
4. Subtract the two like fractions:
   540/360 - 75/360 = 540 - 75/360 = 465/360
5. After reducing the fraction, the answer is 31/24
6. In mixed form: 17/24

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