Add 81/18 and 15/75
1st number: 4 9/18, 2nd number: 15/75
81/18 + 15/75 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
81/18 = 81 × 25/18 × 25 = 2025/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
15/75 = 15 × 6/75 × 6 = 90/450 - Add the two like fractions:
2025/450 + 90/450 = 2025 + 90/450 = 2115/450 - 2115/450 simplified gives 47/10
- So, 81/18 + 15/75 = 47/10
In mixed form: 47/10
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