Answers

Subtract 28/56 from 2/30

2/30 - 28/56 is -13/30.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
   2/30 = 2 × 28/30 × 28 = 56/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   28/56 = 28 × 15/56 × 15 = 420/840
4. Subtract the two like fractions:
   56/840 - 420/840 = 56 - 420/840 = -364/840
5. After reducing the fraction, the answer is -13/30

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