Add 81/12 and 20/75
1st number: 6 9/12, 2nd number: 20/75
81/12 + 20/75 is 421/60.
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,
81/12 = 81 × 25/12 × 25 = 2025/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
20/75 = 20 × 4/75 × 4 = 80/300 - Add the two like fractions:
2025/300 + 80/300 = 2025 + 80/300 = 2105/300 - 2105/300 simplified gives 421/60
- So, 81/12 + 20/75 = 421/60
In mixed form: 71/60
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