Add 30/80 and 81/24
1st number: 30/80, 2nd number: 3 9/24
30/80 + 81/24 is 15/4.
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,
30/80 = 30 × 3/80 × 3 = 90/240 - Likewise, for the 2nd fraction, since 24 × 10 = 240,
81/24 = 81 × 10/24 × 10 = 810/240 - Add the two like fractions:
90/240 + 810/240 = 90 + 810/240 = 900/240 - 900/240 simplified gives 15/4
- So, 30/80 + 81/24 = 15/4
In mixed form: 33/4
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