Answers

Add 7/75 and 6/90

7/75 + 6/90 is 4/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 75 × 6 = 450,
   7/75 = 7 × 6/75 × 6 = 42/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   6/90 = 6 × 5/90 × 5 = 30/450
4. Add the two like fractions:
   42/450 + 30/450 = 42 + 30/450 = 72/450
5. 72/450 simplified gives 4/25
6. So, 7/75 + 6/90 = 4/25

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