Answers

Subtract 70/84 from 28/30

28/30 - 70/84 is 1/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   28/30 = 28 × 14/30 × 14 = 392/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
4. Subtract the two like fractions:
   392/420 - 350/420 = 392 - 350/420 = 42/420
5. After reducing the fraction, the answer is 1/10

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