Answers

Subtract 2/45 from 80/70

1^st number: 1 10/70, 2^nd number: 2/45

80/70 - 2/45 is 346/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   80/70 = 80 × 9/70 × 9 = 720/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   2/45 = 2 × 14/45 × 14 = 28/630
4. Subtract the two like fractions:
   720/630 - 28/630 = 720 - 28/630 = 692/630
5. After reducing the fraction, the answer is 346/315
6. In mixed form: 131/315

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