Answers

Subtract 50/45 from 54/72

1^st number: 54/72, 2^nd number: 1 5/45

54/72 - 50/45 is -13/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   54/72 = 54 × 5/72 × 5 = 270/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   50/45 = 50 × 8/45 × 8 = 400/360
4. Subtract the two like fractions:
   270/360 - 400/360 = 270 - 400/360 = -130/360
5. After reducing the fraction, the answer is -13/36

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