Add 84/4 and 7/28
1st number: 21 0/4, 2nd number: 7/28
84/4 + 7/28 is 85/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
84/4 = 84 × 7/4 × 7 = 588/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
7/28 = 7 × 1/28 × 1 = 7/28 - Add the two like fractions:
588/28 + 7/28 = 588 + 7/28 = 595/28 - 595/28 simplified gives 85/4
- So, 84/4 + 7/28 = 85/4
In mixed form: 211/4
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