Solutions by everydaycalculation.com

34 + 47 is 3728.

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

LCM of 4 and 7 is**28**

Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,

34 = 3 × 74 × 7 = 2128 - Likewise, for the 2nd fraction, since 7 × 4 = 28,

47 = 4 × 47 × 4 = 1628 - Add the two like fractions:

2128 + 1628 = 21 + 1628 = 3728 - So, 3/4 + 4/7 = 37/28

In mixed form: 1928

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