Answers

Add 5/40 and 28/90

5/40 + 28/90 is 157/360.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   5/40 = 5 × 9/40 × 9 = 45/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   28/90 = 28 × 4/90 × 4 = 112/360
4. Add the two like fractions:
   45/360 + 112/360 = 45 + 112/360 = 157/360
5. So, 5/40 + 28/90 = 157/360

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