Add 28/15 and 20/27, Solve 1 13/15 + 20/27 as a fraction

Add 28/15 and 20/27

1^st number: 1 13/15, 2^nd number: 20/27

28/15 + 20/27 is 352/135.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 15 × 9 = 135,
28/15 = 28 × 9/15 × 9 = 252/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135
Add the two like fractions:
252/135 + 100/135 = 252 + 100/135 = 352/135
So, 28/15 + 20/27 = 352/135
In mixed form: 282/135

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