Add 21/84 and 60/48, Solve 21/84 + 1 12/48 as a fraction

Add 21/84 and 60/48

1^st number: 21/84, 2^nd number: 1 12/48

21/84 + 60/48 is 3/2.

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,
21/84 = 21 × 4/84 × 4 = 84/336
Likewise, for the 2nd fraction, since 48 × 7 = 336,
60/48 = 60 × 7/48 × 7 = 420/336
Add the two like fractions:
84/336 + 420/336 = 84 + 420/336 = 504/336
504/336 simplified gives 3/2
So, 21/84 + 60/48 = 3/2
In mixed form: 11/2

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