Answers

Add 90/42 and 4/63

1^st number: 2 6/42, 2^nd number: 4/63

90/42 + 4/63 is 139/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 42 × 3 = 126,
   90/42 = 90 × 3/42 × 3 = 270/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   4/63 = 4 × 2/63 × 2 = 8/126
4. Add the two like fractions:
   270/126 + 8/126 = 270 + 8/126 = 278/126
5. 278/126 simplified gives 139/63
6. So, 90/42 + 4/63 = 139/63
   In mixed form: 213/63

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