Add 27/21 and 10/28, Solve 1 6/21 + 10/28 as a fraction

Add 27/21 and 10/28

1^st number: 1 6/21, 2^nd number: 10/28

27/21 + 10/28 is 23/14.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
27/21 = 27 × 4/21 × 4 = 108/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
10/28 = 10 × 3/28 × 3 = 30/84
Add the two like fractions:
108/84 + 30/84 = 108 + 30/84 = 138/84
138/84 simplified gives 23/14
So, 27/21 + 10/28 = 23/14
In mixed form: 19/14

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