Solutions by everydaycalculation.com

1016 + 4090 is 7772.

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

LCM of 16 and 90 is**720**

Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,

1016 = 10 × 4516 × 45 = 450720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,

4090 = 40 × 890 × 8 = 320720 - Add the two like fractions:

450720 + 320720 = 450 + 320720 = 770720 - 770/720 simplified gives 7772
- So, 10/16 + 40/90 = 77/72

In mixed form: 1572

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