Add 12/9 and 90/10
1st number: 1 3/9, 2nd number: 9 0/10
12/9 + 90/10 is 31/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
12/9 = 12 × 10/9 × 10 = 120/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
90/10 = 90 × 9/10 × 9 = 810/90 - Add the two like fractions:
120/90 + 810/90 = 120 + 810/90 = 930/90 - 930/90 simplified gives 31/3
- So, 12/9 + 90/10 = 31/3
In mixed form: 101/3
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