Answers

Subtract 12/20 from 84/70

1^st number: 1 14/70, 2^nd number: 12/20

84/70 - 12/20 is 3/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 20 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   84/70 = 84 × 2/70 × 2 = 168/140
3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
   12/20 = 12 × 7/20 × 7 = 84/140
4. Subtract the two like fractions:
   168/140 - 84/140 = 168 - 84/140 = 84/140
5. After reducing the fraction, the answer is 3/5

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