Answers

Subtract 70/18 from 72/10

1^st number: 7 2/10, 2^nd number: 3 16/18

72/10 - 70/18 is 149/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 18 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 10 × 9 = 90,
   72/10 = 72 × 9/10 × 9 = 648/90
3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
   70/18 = 70 × 5/18 × 5 = 350/90
4. Subtract the two like fractions:
   648/90 - 350/90 = 648 - 350/90 = 298/90
5. After reducing the fraction, the answer is 149/45
6. In mixed form: 314/45

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