Add 4/12 and 21/25, Solve 4/12 + 21/25 as a fraction

Add 4/12 and 21/25

4/12 + 21/25 is 88/75.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
4/12 = 4 × 25/12 × 25 = 100/300
Likewise, for the 2nd fraction, since 25 × 12 = 300,
21/25 = 21 × 12/25 × 12 = 252/300
Add the two like fractions:
100/300 + 252/300 = 100 + 252/300 = 352/300
352/300 simplified gives 88/75
So, 4/12 + 21/25 = 88/75
In mixed form: 113/75

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