Answers

Subtract 15/28 from 72/10

1^st number: 7 2/10, 2^nd number: 15/28

72/10 - 15/28 is 933/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 10 × 14 = 140,
   72/10 = 72 × 14/10 × 14 = 1008/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   15/28 = 15 × 5/28 × 5 = 75/140
4. Subtract the two like fractions:
   1008/140 - 75/140 = 1008 - 75/140 = 933/140
5. In mixed form: 693/140

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