Solutions by everydaycalculation.com

67 + 310 is 8170.

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

LCM of 7 and 10 is**70**

Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,

67 = 6 × 107 × 10 = 6070 - Likewise, for the 2nd fraction, since 10 × 7 = 70,

310 = 3 × 710 × 7 = 2170 - Add the two like fractions:

6070 + 2170 = 60 + 2170 = 8170 - So, 6/7 + 3/10 = 81/70

In mixed form: 11170

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