Add 90/36 and 21/4
1st number: 2 18/36, 2nd number: 5 1/4
90/36 + 21/4 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
90/36 = 90 × 1/36 × 1 = 90/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
21/4 = 21 × 9/4 × 9 = 189/36 - Add the two like fractions:
90/36 + 189/36 = 90 + 189/36 = 279/36 - 279/36 simplified gives 31/4
- So, 90/36 + 21/4 = 31/4
In mixed form: 73/4
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