Add 32/20 and 7/81
1st number: 1 12/20, 2nd number: 7/81
32/20 + 7/81 is 683/405.
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,
32/20 = 32 × 81/20 × 81 = 2592/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
7/81 = 7 × 20/81 × 20 = 140/1620 - Add the two like fractions:
2592/1620 + 140/1620 = 2592 + 140/1620 = 2732/1620 - 2732/1620 simplified gives 683/405
- So, 32/20 + 7/81 = 683/405
In mixed form: 1278/405
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