Add 21/2 and 45/84
1st number: 10 1/2, 2nd number: 45/84
21/2 + 45/84 is 309/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
21/2 = 21 × 42/2 × 42 = 882/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Add the two like fractions:
882/84 + 45/84 = 882 + 45/84 = 927/84 - 927/84 simplified gives 309/28
- So, 21/2 + 45/84 = 309/28
In mixed form: 111/28
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