Add 12/2 and 21/90
1st number: 6 0/2, 2nd number: 21/90
12/2 + 21/90 is 187/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
12/2 = 12 × 45/2 × 45 = 540/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Add the two like fractions:
540/90 + 21/90 = 540 + 21/90 = 561/90 - 561/90 simplified gives 187/30
- So, 12/2 + 21/90 = 187/30
In mixed form: 67/30
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