Add 8/12 and 90/7
1st number: 8/12, 2nd number: 12 6/7
8/12 + 90/7 is 284/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
90/7 = 90 × 12/7 × 12 = 1080/84 - Add the two like fractions:
56/84 + 1080/84 = 56 + 1080/84 = 1136/84 - 1136/84 simplified gives 284/21
- So, 8/12 + 90/7 = 284/21
In mixed form: 1311/21
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