Answers

Subtract 9/72 from 56/28

1^st number: 2 0/28, 2^nd number: 9/72

56/28 - 9/72 is 15/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 28 × 18 = 504,
   56/28 = 56 × 18/28 × 18 = 1008/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   9/72 = 9 × 7/72 × 7 = 63/504
4. Subtract the two like fractions:
   1008/504 - 63/504 = 1008 - 63/504 = 945/504
5. After reducing the fraction, the answer is 15/8
6. In mixed form: 17/8

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