Answers

Add 48/42 and 42/90

1^st number: 1 6/42, 2^nd number: 42/90

48/42 + 42/90 is 169/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 42 × 15 = 630,
   48/42 = 48 × 15/42 × 15 = 720/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   42/90 = 42 × 7/90 × 7 = 294/630
4. Add the two like fractions:
   720/630 + 294/630 = 720 + 294/630 = 1014/630
5. 1014/630 simplified gives 169/105
6. So, 48/42 + 42/90 = 169/105
   In mixed form: 164/105

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