Add 42/84 and 90/48, Solve 42/84 + 1 42/48 as a fraction

Add 42/84 and 90/48

1^st number: 42/84, 2^nd number: 1 42/48

42/84 + 90/48 is 19/8.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 48 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 84 × 4 = 336,
42/84 = 42 × 4/84 × 4 = 168/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336
Add the two like fractions:
168/336 + 630/336 = 168 + 630/336 = 798/336
798/336 simplified gives 19/8
So, 42/84 + 90/48 = 19/8
In mixed form: 23/8

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