Add 15/9 and 27/40, Solve 1 6/9 + 27/40 as a fraction

Add 15/9 and 27/40

1^st number: 1 6/9, 2^nd number: 27/40

15/9 + 27/40 is 281/120.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 9 × 40 = 360,
15/9 = 15 × 40/9 × 40 = 600/360
Likewise, for the 2nd fraction, since 40 × 9 = 360,
27/40 = 27 × 9/40 × 9 = 243/360
Add the two like fractions:
600/360 + 243/360 = 600 + 243/360 = 843/360
843/360 simplified gives 281/120
So, 15/9 + 27/40 = 281/120
In mixed form: 241/120

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