Answers

Subtract 42/81 from 84/60

1^st number: 1 24/60, 2^nd number: 42/81

84/60 - 42/81 is 119/135.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 81 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 60 × 27 = 1620,
   84/60 = 84 × 27/60 × 27 = 2268/1620
3. Likewise, for the 2nd fraction, since 81 × 20 = 1620,
   42/81 = 42 × 20/81 × 20 = 840/1620
4. Subtract the two like fractions:
   2268/1620 - 840/1620 = 2268 - 840/1620 = 1428/1620
5. After reducing the fraction, the answer is 119/135

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