Add 21/3 and 63/84
1st number: 7 0/3, 2nd number: 63/84
21/3 + 63/84 is 31/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
21/3 = 21 × 28/3 × 28 = 588/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
63/84 = 63 × 1/84 × 1 = 63/84 - Add the two like fractions:
588/84 + 63/84 = 588 + 63/84 = 651/84 - 651/84 simplified gives 31/4
- So, 21/3 + 63/84 = 31/4
In mixed form: 73/4
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