Add 80/20 and 15/81
1st number: 4 0/20, 2nd number: 15/81
80/20 + 15/81 is 113/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
80/20 = 80 × 81/20 × 81 = 6480/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
15/81 = 15 × 20/81 × 20 = 300/1620 - Add the two like fractions:
6480/1620 + 300/1620 = 6480 + 300/1620 = 6780/1620 - 6780/1620 simplified gives 113/27
- So, 80/20 + 15/81 = 113/27
In mixed form: 45/27
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