Add 90/84 and 8/12
1st number: 1 6/84, 2nd number: 8/12
90/84 + 8/12 is 73/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Add the two like fractions:
90/84 + 56/84 = 90 + 56/84 = 146/84 - 146/84 simplified gives 73/42
- So, 90/84 + 8/12 = 73/42
In mixed form: 131/42
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