Answers

Subtract 42/27 from 84/10

1^st number: 8 4/10, 2^nd number: 1 15/27

84/10 - 42/27 is 308/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 27 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 10 × 27 = 270,
   84/10 = 84 × 27/10 × 27 = 2268/270
3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
   42/27 = 42 × 10/27 × 10 = 420/270
4. Subtract the two like fractions:
   2268/270 - 420/270 = 2268 - 420/270 = 1848/270
5. After reducing the fraction, the answer is 308/45
6. In mixed form: 638/45

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