Add 90/9 and 12/8
1st number: 10 0/9, 2nd number: 1 4/8
90/9 + 12/8 is 23/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
90/9 = 90 × 8/9 × 8 = 720/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Add the two like fractions:
720/72 + 108/72 = 720 + 108/72 = 828/72 - 828/72 simplified gives 23/2
- So, 90/9 + 12/8 = 23/2
In mixed form: 111/2
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