Answers

Subtract 42/27 from 70/28

1^st number: 2 14/28, 2^nd number: 1 15/27

70/28 - 42/27 is 17/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 28 × 27 = 756,
   70/28 = 70 × 27/28 × 27 = 1890/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   42/27 = 42 × 28/27 × 28 = 1176/756
4. Subtract the two like fractions:
   1890/756 - 1176/756 = 1890 - 1176/756 = 714/756
5. After reducing the fraction, the answer is 17/18

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