Add 9/15 and 80/72, Solve 9/15 + 1 8/72 as a fraction

Add 9/15 and 80/72

1^st number: 9/15, 2^nd number: 1 8/72

9/15 + 80/72 is 77/45.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 15 × 24 = 360,
9/15 = 9 × 24/15 × 24 = 216/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
80/72 = 80 × 5/72 × 5 = 400/360
Add the two like fractions:
216/360 + 400/360 = 216 + 400/360 = 616/360
616/360 simplified gives 77/45
So, 9/15 + 80/72 = 77/45
In mixed form: 132/45

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