Answers

Add 7/90 and 10/54

7/90 + 10/54 is 71/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 90 × 3 = 270,
   7/90 = 7 × 3/90 × 3 = 21/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   10/54 = 10 × 5/54 × 5 = 50/270
4. Add the two like fractions:
   21/270 + 50/270 = 21 + 50/270 = 71/270
5. So, 7/90 + 10/54 = 71/270

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