Add 90/6 and 9/40, Solve 15 0/6 + 9/40 as a fraction

Add 90/6 and 9/40

1^st number: 15 0/6, 2^nd number: 9/40

90/6 + 9/40 is 609/40.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 6 × 20 = 120,
90/6 = 90 × 20/6 × 20 = 1800/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120
Add the two like fractions:
1800/120 + 27/120 = 1800 + 27/120 = 1827/120
1827/120 simplified gives 609/40
So, 90/6 + 9/40 = 609/40
In mixed form: 159/40

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