Solutions by everydaycalculation.com

12 + 410 is 910.

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

LCM of 2 and 10 is**10**

Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,

12 = 1 × 52 × 5 = 510 - Likewise, for the 2nd fraction, since 10 × 1 = 10,

410 = 4 × 110 × 1 = 410 - Add the two like fractions:

510 + 410 = 5 + 410 = 910 - So, 1/2 + 4/10 = 9/10

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