Answers

Subtract 28/21 from 2/60

1^st number: 2/60, 2^nd number: 1 7/21

2/60 - 28/21 is -13/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 21 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   2/60 = 2 × 7/60 × 7 = 14/420
3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
   28/21 = 28 × 20/21 × 20 = 560/420
4. Subtract the two like fractions:
   14/420 - 560/420 = 14 - 560/420 = -546/420
5. After reducing the fraction, the answer is -13/10

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