Add 30/40 and 45/9, Solve 30/40 + 5 0/9 as a fraction

Add 30/40 and 45/9

1^st number: 30/40, 2^nd number: 5 0/9

30/40 + 45/9 is 23/4.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360
Likewise, for the 2nd fraction, since 9 × 40 = 360,
45/9 = 45 × 40/9 × 40 = 1800/360
Add the two like fractions:
270/360 + 1800/360 = 270 + 1800/360 = 2070/360
2070/360 simplified gives 23/4
So, 30/40 + 45/9 = 23/4
In mixed form: 53/4

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