Answers

Subtract 70/20 from 28/48

1^st number: 28/48, 2^nd number: 3 10/20

28/48 - 70/20 is -35/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 20 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   28/48 = 28 × 5/48 × 5 = 140/240
3. Likewise, for the 2nd fraction, since 20 × 12 = 240,
   70/20 = 70 × 12/20 × 12 = 840/240
4. Subtract the two like fractions:
   140/240 - 840/240 = 140 - 840/240 = -700/240
5. After reducing the fraction, the answer is -35/12

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