Solutions by everydaycalculation.com

550 + 4070 is 4770.

- Find the least common denominator or LCM of the two denominators:

LCM of 50 and 70 is**350**

Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,

550 = 5 × 750 × 7 = 35350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,

4070 = 40 × 570 × 5 = 200350 - Add the two like fractions:

35350 + 200350 = 35 + 200350 = 235350 - 235/350 simplified gives 4770
- So, 5/50 + 40/70 = 47/70

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