Add 9/4 and 90/84
1st number: 2 1/4, 2nd number: 1 6/84
9/4 + 90/84 is 93/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
9/4 = 9 × 21/4 × 21 = 189/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
189/84 + 90/84 = 189 + 90/84 = 279/84 - 279/84 simplified gives 93/28
- So, 9/4 + 90/84 = 93/28
In mixed form: 39/28
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