Add 84/8 and 90/84
1st number: 10 4/8, 2nd number: 1 6/84
84/8 + 90/84 is 81/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
84/8 = 84 × 21/8 × 21 = 1764/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
90/84 = 90 × 2/84 × 2 = 180/168 - Add the two like fractions:
1764/168 + 180/168 = 1764 + 180/168 = 1944/168 - 1944/168 simplified gives 81/7
- So, 84/8 + 90/84 = 81/7
In mixed form: 114/7
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