Add 84/42 and 81/7
1st number: 2 0/42, 2nd number: 11 4/7
84/42 + 81/7 is 95/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
84/42 = 84 × 1/42 × 1 = 84/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
81/7 = 81 × 6/7 × 6 = 486/42 - Add the two like fractions:
84/42 + 486/42 = 84 + 486/42 = 570/42 - 570/42 simplified gives 95/7
- So, 84/42 + 81/7 = 95/7
In mixed form: 134/7
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