Add 81/72 and 5/75
1st number: 1 9/72, 2nd number: 5/75
81/72 + 5/75 is 143/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 75 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
81/72 = 81 × 25/72 × 25 = 2025/1800 - Likewise, for the 2nd fraction, since 75 × 24 = 1800,
5/75 = 5 × 24/75 × 24 = 120/1800 - Add the two like fractions:
2025/1800 + 120/1800 = 2025 + 120/1800 = 2145/1800 - 2145/1800 simplified gives 143/120
- So, 81/72 + 5/75 = 143/120
In mixed form: 123/120
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