Answers

Add 56/42 and 18/90

1^st number: 1 14/42, 2^nd number: 18/90

56/42 + 18/90 is 23/15.

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,
   56/42 = 56 × 15/42 × 15 = 840/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   18/90 = 18 × 7/90 × 7 = 126/630
4. Add the two like fractions:
   840/630 + 126/630 = 840 + 126/630 = 966/630
5. 966/630 simplified gives 23/15
6. So, 56/42 + 18/90 = 23/15
   In mixed form: 18/15

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