Add 40/7 and 18/81
1st number: 5 5/7, 2nd number: 18/81
40/7 + 18/81 is 374/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 7 × 81 = 567,
40/7 = 40 × 81/7 × 81 = 3240/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
18/81 = 18 × 7/81 × 7 = 126/567 - Add the two like fractions:
3240/567 + 126/567 = 3240 + 126/567 = 3366/567 - 3366/567 simplified gives 374/63
- So, 40/7 + 18/81 = 374/63
In mixed form: 559/63
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