Add 81/90 and 81/24
1st number: 81/90, 2nd number: 3 9/24
81/90 + 81/24 is 171/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
81/90 = 81 × 4/90 × 4 = 324/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
81/24 = 81 × 15/24 × 15 = 1215/360 - Add the two like fractions:
324/360 + 1215/360 = 324 + 1215/360 = 1539/360 - 1539/360 simplified gives 171/40
- So, 81/90 + 81/24 = 171/40
In mixed form: 411/40
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