Add 3/27 and 70/21, Solve 3/27 + 3 7/21 as a fraction

Add 3/27 and 70/21

1^st number: 3/27, 2^nd number: 3 7/21

3/27 + 70/21 is 31/9.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
3/27 = 3 × 7/27 × 7 = 21/189
Likewise, for the 2nd fraction, since 21 × 9 = 189,
70/21 = 70 × 9/21 × 9 = 630/189
Add the two like fractions:
21/189 + 630/189 = 21 + 630/189 = 651/189
651/189 simplified gives 31/9
So, 3/27 + 70/21 = 31/9
In mixed form: 34/9

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