Answers

Subtract 3/42 from 80/70

1^st number: 1 10/70, 2^nd number: 3/42

80/70 - 3/42 is 15/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   80/70 = 80 × 3/70 × 3 = 240/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   3/42 = 3 × 5/42 × 5 = 15/210
4. Subtract the two like fractions:
   240/210 - 15/210 = 240 - 15/210 = 225/210
5. After reducing the fraction, the answer is 15/14
6. In mixed form: 11/14

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