Add 70/3 and 21/7, Solve 23 1/3 + 3 0/7 as a fraction

Add 70/3 and 21/7

1^st number: 23 1/3, 2^nd number: 3 0/7

70/3 + 21/7 is 79/3.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21

Next, find the equivalent fraction of both fractional numbers with denominator 21
For the 1st fraction, since 3 × 7 = 21,
70/3 = 70 × 7/3 × 7 = 490/21
Likewise, for the 2nd fraction, since 7 × 3 = 21,
21/7 = 21 × 3/7 × 3 = 63/21
Add the two like fractions:
490/21 + 63/21 = 490 + 63/21 = 553/21
553/21 simplified gives 79/3
So, 70/3 + 21/7 = 79/3
In mixed form: 261/3

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