Answers

Subtract 15/70 from 10/28

10/28 - 15/70 is 1/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   10/28 = 10 × 5/28 × 5 = 50/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   15/70 = 15 × 2/70 × 2 = 30/140
4. Subtract the two like fractions:
   50/140 - 30/140 = 50 - 30/140 = 20/140
5. After reducing the fraction, the answer is 1/7

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