Answers

Subtract 80/45 from 42/4

1^st number: 10 2/4, 2^nd number: 1 35/45

42/4 - 80/45 is 157/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   42/4 = 42 × 45/4 × 45 = 1890/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   80/45 = 80 × 4/45 × 4 = 320/180
4. Subtract the two like fractions:
   1890/180 - 320/180 = 1890 - 320/180 = 1570/180
5. After reducing the fraction, the answer is 157/18
6. In mixed form: 813/18

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