Add 27/4 and 81/45
1st number: 6 3/4, 2nd number: 1 36/45
27/4 + 81/45 is 171/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
27/4 = 27 × 45/4 × 45 = 1215/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
81/45 = 81 × 4/45 × 4 = 324/180 - Add the two like fractions:
1215/180 + 324/180 = 1215 + 324/180 = 1539/180 - 1539/180 simplified gives 171/20
- So, 27/4 + 81/45 = 171/20
In mixed form: 811/20
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