Answers

Subtract 5/72 from 70/20

1^st number: 3 10/20, 2^nd number: 5/72

70/20 - 5/72 is 247/72.

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,
   70/20 = 70 × 18/20 × 18 = 1260/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   5/72 = 5 × 5/72 × 5 = 25/360
4. Subtract the two like fractions:
   1260/360 - 25/360 = 1260 - 25/360 = 1235/360
5. After reducing the fraction, the answer is 247/72
6. In mixed form: 331/72

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