Add 3/12 and 90/48, Solve 3/12 + 1 42/48 as a fraction

Add 3/12 and 90/48

1^st number: 3/12, 2^nd number: 1 42/48

3/12 + 90/48 is 17/8.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 12 × 4 = 48,
3/12 = 3 × 4/12 × 4 = 12/48
Likewise, for the 2nd fraction, since 48 × 1 = 48,
90/48 = 90 × 1/48 × 1 = 90/48
Add the two like fractions:
12/48 + 90/48 = 12 + 90/48 = 102/48
102/48 simplified gives 17/8
So, 3/12 + 90/48 = 17/8
In mixed form: 21/8

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