Add 1/80 and 72/45, Solve 1/80 + 1 27/45 as a fraction

Add 1/80 and 72/45

1^st number: 1/80, 2^nd number: 1 27/45

1/80 + 72/45 is 129/80.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
1/80 = 1 × 9/80 × 9 = 9/720
Likewise, for the 2nd fraction, since 45 × 16 = 720,
72/45 = 72 × 16/45 × 16 = 1152/720
Add the two like fractions:
9/720 + 1152/720 = 9 + 1152/720 = 1161/720
1161/720 simplified gives 129/80
So, 1/80 + 72/45 = 129/80
In mixed form: 149/80

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