Add 70/75 and 81/72
1st number: 70/75, 2nd number: 1 9/72
70/75 + 81/72 is 247/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
70/75 = 70 × 24/75 × 24 = 1680/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
81/72 = 81 × 25/72 × 25 = 2025/1800 - Add the two like fractions:
1680/1800 + 2025/1800 = 1680 + 2025/1800 = 3705/1800 - 3705/1800 simplified gives 247/120
- So, 70/75 + 81/72 = 247/120
In mixed form: 27/120
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