Add 21/12 and 75/25
1st number: 1 9/12, 2nd number: 3 0/25
21/12 + 75/25 is 19/4.
Steps for adding fractions
- 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,
21/12 = 21 × 25/12 × 25 = 525/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
75/25 = 75 × 12/25 × 12 = 900/300 - Add the two like fractions:
525/300 + 900/300 = 525 + 900/300 = 1425/300 - 1425/300 simplified gives 19/4
- So, 21/12 + 75/25 = 19/4
In mixed form: 43/4
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