Add 28/21 and 49/27, Solve 1 7/21 + 1 22/27 as a fraction

Add 28/21 and 49/27

1^st number: 1 7/21, 2^nd number: 1 22/27

28/21 + 49/27 is 85/27.

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

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 21 × 9 = 189,
28/21 = 28 × 9/21 × 9 = 252/189
Likewise, for the 2nd fraction, since 27 × 7 = 189,
49/27 = 49 × 7/27 × 7 = 343/189
Add the two like fractions:
252/189 + 343/189 = 252 + 343/189 = 595/189
595/189 simplified gives 85/27
So, 28/21 + 49/27 = 85/27
In mixed form: 34/27

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