Add 5/40 and 72/45, Solve 5/40 + 1 27/45 as a fraction

Add 5/40 and 72/45

1^st number: 5/40, 2^nd number: 1 27/45

5/40 + 72/45 is 69/40.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 40 × 9 = 360,
5/40 = 5 × 9/40 × 9 = 45/360
Likewise, for the 2nd fraction, since 45 × 8 = 360,
72/45 = 72 × 8/45 × 8 = 576/360
Add the two like fractions:
45/360 + 576/360 = 45 + 576/360 = 621/360
621/360 simplified gives 69/40
So, 5/40 + 72/45 = 69/40
In mixed form: 129/40

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