Answers

Subtract 42/50 from 84/45

1^st number: 1 39/45, 2^nd number: 42/50

84/45 - 42/50 is 77/75.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 50 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 45 × 10 = 450,
   84/45 = 84 × 10/45 × 10 = 840/450
3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
   42/50 = 42 × 9/50 × 9 = 378/450
4. Subtract the two like fractions:
   840/450 - 378/450 = 840 - 378/450 = 462/450
5. After reducing the fraction, the answer is 77/75
6. In mixed form: 12/75

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