Add 84/8 and 90/7
1st number: 10 4/8, 2nd number: 12 6/7
84/8 + 90/7 is 327/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
84/8 = 84 × 7/8 × 7 = 588/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
90/7 = 90 × 8/7 × 8 = 720/56 - Add the two like fractions:
588/56 + 720/56 = 588 + 720/56 = 1308/56 - 1308/56 simplified gives 327/14
- So, 84/8 + 90/7 = 327/14
In mixed form: 235/14
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