Add 90/9 and 81/28
1st number: 10 0/9, 2nd number: 2 25/28
90/9 + 81/28 is 361/28.
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,
81/28 = 81 × 9/28 × 9 = 729/252 - Add the two like fractions:
2520/252 + 729/252 = 2520 + 729/252 = 3249/252 - 3249/252 simplified gives 361/28
- So, 90/9 + 81/28 = 361/28
In mixed form: 1225/28
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