Add 90/9 and 21/4
1st number: 10 0/9, 2nd number: 5 1/4
90/9 + 21/4 is 61/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
90/9 = 90 × 4/9 × 4 = 360/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
21/4 = 21 × 9/4 × 9 = 189/36 - Add the two like fractions:
360/36 + 189/36 = 360 + 189/36 = 549/36 - 549/36 simplified gives 61/4
- So, 90/9 + 21/4 = 61/4
In mixed form: 151/4
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