Add 80/72 and 40/9, Solve 1 8/72 + 4 4/9 as a fraction

Add 80/72 and 40/9

1^st number: 1 8/72, 2^nd number: 4 4/9

80/72 + 40/9 is 50/9.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72
Add the two like fractions:
80/72 + 320/72 = 80 + 320/72 = 400/72
400/72 simplified gives 50/9
So, 80/72 + 40/9 = 50/9
In mixed form: 55/9

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