Add 21/2 and 20/30
1st number: 10 1/2, 2nd number: 20/30
21/2 + 20/30 is 67/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
21/2 = 21 × 15/2 × 15 = 315/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Add the two like fractions:
315/30 + 20/30 = 315 + 20/30 = 335/30 - 335/30 simplified gives 67/6
- So, 21/2 + 20/30 = 67/6
In mixed form: 111/6
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