Add 84/4 and 45/84
1st number: 21 0/4, 2nd number: 45/84
84/4 + 45/84 is 603/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
84/4 = 84 × 21/4 × 21 = 1764/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
45/84 = 45 × 1/84 × 1 = 45/84 - Add the two like fractions:
1764/84 + 45/84 = 1764 + 45/84 = 1809/84 - 1809/84 simplified gives 603/28
- So, 84/4 + 45/84 = 603/28
In mixed form: 2115/28
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