Add 81/12 and 5/25
1st number: 6 9/12, 2nd number: 5/25
81/12 + 5/25 is 139/20.
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,
81/12 = 81 × 25/12 × 25 = 2025/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
5/25 = 5 × 12/25 × 12 = 60/300 - Add the two like fractions:
2025/300 + 60/300 = 2025 + 60/300 = 2085/300 - 2085/300 simplified gives 139/20
- So, 81/12 + 5/25 = 139/20
In mixed form: 619/20
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