Add 90/2 and 21/9
1st number: 45 0/2, 2nd number: 2 3/9
90/2 + 21/9 is 142/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
90/2 = 90 × 9/2 × 9 = 810/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
21/9 = 21 × 2/9 × 2 = 42/18 - Add the two like fractions:
810/18 + 42/18 = 810 + 42/18 = 852/18 - 852/18 simplified gives 142/3
- So, 90/2 + 21/9 = 142/3
In mixed form: 471/3
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