Add 81/54 and 32/20
1st number: 1 27/54, 2nd number: 1 12/20
81/54 + 32/20 is 31/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
81/54 = 81 × 10/54 × 10 = 810/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
32/20 = 32 × 27/20 × 27 = 864/540 - Add the two like fractions:
810/540 + 864/540 = 810 + 864/540 = 1674/540 - 1674/540 simplified gives 31/10
- So, 81/54 + 32/20 = 31/10
In mixed form: 31/10
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