Add 3/10 and 81/14, Solve 3/10 + 5 11/14 as a fraction

Add 3/10 and 81/14

1^st number: 3/10, 2^nd number: 5 11/14

3/10 + 81/14 is 213/35.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 10 × 7 = 70,
3/10 = 3 × 7/10 × 7 = 21/70
Likewise, for the 2nd fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70
Add the two like fractions:
21/70 + 405/70 = 21 + 405/70 = 426/70
426/70 simplified gives 213/35
So, 3/10 + 81/14 = 213/35
In mixed form: 63/35

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