Add 81/4 and 27/80
1st number: 20 1/4, 2nd number: 27/80
81/4 + 27/80 is 1647/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 4 × 20 = 80,
81/4 = 81 × 20/4 × 20 = 1620/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
27/80 = 27 × 1/80 × 1 = 27/80 - Add the two like fractions:
1620/80 + 27/80 = 1620 + 27/80 = 1647/80 - So, 81/4 + 27/80 = 1647/80
In mixed form: 2047/80
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