Answers

Add 7/42 and 56/90

7/42 + 56/90 is 71/90.

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,
   7/42 = 7 × 15/42 × 15 = 105/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   56/90 = 56 × 7/90 × 7 = 392/630
4. Add the two like fractions:
   105/630 + 392/630 = 105 + 392/630 = 497/630
5. 497/630 simplified gives 71/90
6. So, 7/42 + 56/90 = 71/90

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