Add 90/28 and 3/9
1st number: 3 6/28, 2nd number: 3/9
90/28 + 3/9 is 149/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
3/9 = 3 × 28/9 × 28 = 84/252 - Add the two like fractions:
810/252 + 84/252 = 810 + 84/252 = 894/252 - 894/252 simplified gives 149/42
- So, 90/28 + 3/9 = 149/42
In mixed form: 323/42
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