Add 81/3 and 42/7
1st number: 27 0/3, 2nd number: 6 0/7
81/3 + 42/7 is 33/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
81/3 = 81 × 7/3 × 7 = 567/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
42/7 = 42 × 3/7 × 3 = 126/21 - Add the two like fractions:
567/21 + 126/21 = 567 + 126/21 = 693/21 - 693/21 simplified gives 33/1
- So, 81/3 + 42/7 = 33/1
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