Add 12/48 and 4/21, Solve 12/48 + 4/21 as a fraction

Add 12/48 and 4/21

12/48 + 4/21 is 37/84.

Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 48 × 7 = 336,
12/48 = 12 × 7/48 × 7 = 84/336
Likewise, for the 2nd fraction, since 21 × 16 = 336,
4/21 = 4 × 16/21 × 16 = 64/336
Add the two like fractions:
84/336 + 64/336 = 84 + 64/336 = 148/336
148/336 simplified gives 37/84
So, 12/48 + 4/21 = 37/84

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