Add 75/80 and 81/24
1st number: 75/80, 2nd number: 3 9/24
75/80 + 81/24 is 69/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 24 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
75/80 = 75 × 3/80 × 3 = 225/240 - Likewise, for the 2nd fraction, since 24 × 10 = 240,
81/24 = 81 × 10/24 × 10 = 810/240 - Add the two like fractions:
225/240 + 810/240 = 225 + 810/240 = 1035/240 - 1035/240 simplified gives 69/16
- So, 75/80 + 81/24 = 69/16
In mixed form: 45/16
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