Add 42/7 and 49/81
1st number: 6 0/7, 2nd number: 49/81
42/7 + 49/81 is 535/81.
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,
42/7 = 42 × 81/7 × 81 = 3402/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
49/81 = 49 × 7/81 × 7 = 343/567 - Add the two like fractions:
3402/567 + 343/567 = 3402 + 343/567 = 3745/567 - 3745/567 simplified gives 535/81
- So, 42/7 + 49/81 = 535/81
In mixed form: 649/81
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