Answers

Add 75/5 and 90/42

1^st number: 15 0/5, 2^nd number: 2 6/42

75/5 + 90/42 is 120/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 42 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 5 × 42 = 210,
   75/5 = 75 × 42/5 × 42 = 3150/210
3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
   90/42 = 90 × 5/42 × 5 = 450/210
4. Add the two like fractions:
   3150/210 + 450/210 = 3150 + 450/210 = 3600/210
5. 3600/210 simplified gives 120/7
6. So, 75/5 + 90/42 = 120/7
   In mixed form: 171/7

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