Add 90/40 and 3/12, Solve 2 10/40 + 3/12 as a fraction

Add 90/40 and 3/12

1^st number: 2 10/40, 2^nd number: 3/12

90/40 + 3/12 is 5/2.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120
Likewise, for the 2nd fraction, since 12 × 10 = 120,
3/12 = 3 × 10/12 × 10 = 30/120
Add the two like fractions:
270/120 + 30/120 = 270 + 30/120 = 300/120
300/120 simplified gives 5/2
So, 90/40 + 3/12 = 5/2
In mixed form: 21/2

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