Answers

Subtract 70/27 from 28/60

1^st number: 28/60, 2^nd number: 2 16/27

28/60 - 70/27 is -287/135.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 27 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 60 × 9 = 540,
   28/60 = 28 × 9/60 × 9 = 252/540
3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
   70/27 = 70 × 20/27 × 20 = 1400/540
4. Subtract the two like fractions:
   252/540 - 1400/540 = 252 - 1400/540 = -1148/540
5. After reducing the fraction, the answer is -287/135

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