Add 90/9 and 12/28
1st number: 10 0/9, 2nd number: 12/28
90/9 + 12/28 is 73/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
90/9 = 90 × 28/9 × 28 = 2520/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
12/28 = 12 × 9/28 × 9 = 108/252 - Add the two like fractions:
2520/252 + 108/252 = 2520 + 108/252 = 2628/252 - 2628/252 simplified gives 73/7
- So, 90/9 + 12/28 = 73/7
In mixed form: 103/7
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