Add 15/90 and 81/24
1st number: 15/90, 2nd number: 3 9/24
15/90 + 81/24 is 85/24.
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,
15/90 = 15 × 4/90 × 4 = 60/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
81/24 = 81 × 15/24 × 15 = 1215/360 - Add the two like fractions:
60/360 + 1215/360 = 60 + 1215/360 = 1275/360 - 1275/360 simplified gives 85/24
- So, 15/90 + 81/24 = 85/24
In mixed form: 313/24
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