Add 84/4 and 72/28
1st number: 21 0/4, 2nd number: 2 16/28
84/4 + 72/28 is 165/7.
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,
72/28 = 72 × 1/28 × 1 = 72/28 - Add the two like fractions:
588/28 + 72/28 = 588 + 72/28 = 660/28 - 660/28 simplified gives 165/7
- So, 84/4 + 72/28 = 165/7
In mixed form: 234/7
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