Add 90/2 and 21/36
1st number: 45 0/2, 2nd number: 21/36
90/2 + 21/36 is 547/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 2 × 18 = 36,
90/2 = 90 × 18/2 × 18 = 1620/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Add the two like fractions:
1620/36 + 21/36 = 1620 + 21/36 = 1641/36 - 1641/36 simplified gives 547/12
- So, 90/2 + 21/36 = 547/12
In mixed form: 457/12
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