Answers

Subtract 72/50 from 84/80

1^st number: 1 4/80, 2^nd number: 1 22/50

84/80 - 72/50 is -39/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 50 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 80 × 5 = 400,
   84/80 = 84 × 5/80 × 5 = 420/400
3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
   72/50 = 72 × 8/50 × 8 = 576/400
4. Subtract the two like fractions:
   420/400 - 576/400 = 420 - 576/400 = -156/400
5. After reducing the fraction, the answer is -39/100

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