Add 70/27 and 21/63, Solve 2 16/27 + 21/63 as a fraction

Add 70/27 and 21/63

1^st number: 2 16/27, 2^nd number: 21/63

70/27 + 21/63 is 79/27.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 63 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
70/27 = 70 × 7/27 × 7 = 490/189
Likewise, for the 2nd fraction, since 63 × 3 = 189,
21/63 = 21 × 3/63 × 3 = 63/189
Add the two like fractions:
490/189 + 63/189 = 490 + 63/189 = 553/189
553/189 simplified gives 79/27
So, 70/27 + 21/63 = 79/27
In mixed form: 225/27

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