Add 21/12 and 81/75
1st number: 1 9/12, 2nd number: 1 6/75
21/12 + 81/75 is 283/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 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 75 × 4 = 300,
81/75 = 81 × 4/75 × 4 = 324/300 - Add the two like fractions:
525/300 + 324/300 = 525 + 324/300 = 849/300 - 849/300 simplified gives 283/100
- So, 21/12 + 81/75 = 283/100
In mixed form: 283/100
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