Add 9/4 and 90/30
1st number: 2 1/4, 2nd number: 3 0/30
9/4 + 90/30 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
9/4 = 9 × 15/4 × 15 = 135/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
90/30 = 90 × 2/30 × 2 = 180/60 - Add the two like fractions:
135/60 + 180/60 = 135 + 180/60 = 315/60 - 315/60 simplified gives 21/4
- So, 9/4 + 90/30 = 21/4
In mixed form: 51/4
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