Add 9/40 and 45/8, Solve 9/40 + 5 5/8 as a fraction

Add 9/40 and 45/8

1^st number: 9/40, 2^nd number: 5 5/8

9/40 + 45/8 is 117/20.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40

Next, find the equivalent fraction of both fractional numbers with denominator 40
For the 1st fraction, since 40 × 1 = 40,
9/40 = 9 × 1/40 × 1 = 9/40
Likewise, for the 2nd fraction, since 8 × 5 = 40,
45/8 = 45 × 5/8 × 5 = 225/40
Add the two like fractions:
9/40 + 225/40 = 9 + 225/40 = 234/40
234/40 simplified gives 117/20
So, 9/40 + 45/8 = 117/20
In mixed form: 517/20

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