Answers

Subtract 70/45 from 42/2

1^st number: 21 0/2, 2^nd number: 1 25/45

42/2 - 70/45 is 175/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 2 × 45 = 90,
   42/2 = 42 × 45/2 × 45 = 1890/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   70/45 = 70 × 2/45 × 2 = 140/90
4. Subtract the two like fractions:
   1890/90 - 140/90 = 1890 - 140/90 = 1750/90
5. After reducing the fraction, the answer is 175/9
6. In mixed form: 194/9

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