Add 54/5 and 70/81
1st number: 10 4/5, 2nd number: 70/81
54/5 + 70/81 is 4724/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
54/5 = 54 × 81/5 × 81 = 4374/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
70/81 = 70 × 5/81 × 5 = 350/405 - Add the two like fractions:
4374/405 + 350/405 = 4374 + 350/405 = 4724/405 - So, 54/5 + 70/81 = 4724/405
In mixed form: 11269/405
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