Add 80/90 and 27/72, Solve 80/90 + 27/72 as a fraction

Add 80/90 and 27/72

80/90 + 27/72 is 91/72.

Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 90 × 4 = 360,
80/90 = 80 × 4/90 × 4 = 320/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
27/72 = 27 × 5/72 × 5 = 135/360
Add the two like fractions:
320/360 + 135/360 = 320 + 135/360 = 455/360
455/360 simplified gives 91/72
So, 80/90 + 27/72 = 91/72
In mixed form: 119/72

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