Answers

Add 7/90 and 54/72

7/90 + 54/72 is 149/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   7/90 = 7 × 4/90 × 4 = 28/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   54/72 = 54 × 5/72 × 5 = 270/360
4. Add the two like fractions:
   28/360 + 270/360 = 28 + 270/360 = 298/360
5. 298/360 simplified gives 149/180
6. So, 7/90 + 54/72 = 149/180

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