2 3/7 + 3/8

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2 3/7 + 3/8 = 2 45/56 OR 2.804

To add the fractions 2 3/7 and 3/8, you need to find a common denominator for the two fractions.

First, convert the mixed number 2 3/7 into an improper fraction. To do this, multiply the whole number (2) by the denominator (7) and add the numerator (3). This gives us (2 * 7 + 3) / 7 = 17/7.

Now, find the least common multiple (LCM) of 7 and 8, which is 56. To convert the fractions 17/7 and 3/8 to fractions with a common denominator of 56, you need to multiply both the numerator and denominator by the same factor.

For 17/7, multiply the numerator (17) by 8 and the denominator (7) by 8 to get 136/56.

For 3/8, multiply the numerator (3) by 7 and the denominator (8) by 7 to get 21/56.

Now, you can add the fractions:

136/56 + 21/56 = (136 + 21) / 56 = 157/56.

The final answer is 157/56.