Answers

Subtract 12/40 from 84/70

1^st number: 1 14/70, 2^nd number: 12/40

84/70 - 12/40 is 9/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 70 × 4 = 280,
   84/70 = 84 × 4/70 × 4 = 336/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   12/40 = 12 × 7/40 × 7 = 84/280
4. Subtract the two like fractions:
   336/280 - 84/280 = 336 - 84/280 = 252/280
5. After reducing the fraction, the answer is 9/10

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