Answers

Subtract 50/20 from 3/72

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

3/72 - 50/20 is -59/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 20 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   3/72 = 3 × 5/72 × 5 = 15/360
3. Likewise, for the 2nd fraction, since 20 × 18 = 360,
   50/20 = 50 × 18/20 × 18 = 900/360
4. Subtract the two like fractions:
   15/360 - 900/360 = 15 - 900/360 = -885/360
5. After reducing the fraction, the answer is -59/24

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