Add 81/12 and 35/90
1st number: 6 9/12, 2nd number: 35/90
81/12 + 35/90 is 257/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
81/12 = 81 × 15/12 × 15 = 1215/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
35/90 = 35 × 2/90 × 2 = 70/180 - Add the two like fractions:
1215/180 + 70/180 = 1215 + 70/180 = 1285/180 - 1285/180 simplified gives 257/36
- So, 81/12 + 35/90 = 257/36
In mixed form: 75/36
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