Add 84/4 and 72/7
1st number: 21 0/4, 2nd number: 10 2/7
84/4 + 72/7 is 219/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 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 7 × 4 = 28,
72/7 = 72 × 4/7 × 4 = 288/28 - Add the two like fractions:
588/28 + 288/28 = 588 + 288/28 = 876/28 - 876/28 simplified gives 219/7
- So, 84/4 + 72/7 = 219/7
In mixed form: 312/7
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