Solutions by everydaycalculation.com

49 + 210 is 2945.

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

LCM of 9 and 10 is**90**

Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,

49 = 4 × 109 × 10 = 4090 - Likewise, for the 2nd fraction, since 10 × 9 = 90,

210 = 2 × 910 × 9 = 1890 - Add the two like fractions:

4090 + 1890 = 40 + 1890 = 5890 - 58/90 simplified gives 2945
- So, 4/9 + 2/10 = 29/45

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