Add 84/4 and 15/7
1st number: 21 0/4, 2nd number: 2 1/7
84/4 + 15/7 is 162/7.
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,
15/7 = 15 × 4/7 × 4 = 60/28 - Add the two like fractions:
588/28 + 60/28 = 588 + 60/28 = 648/28 - 648/28 simplified gives 162/7
- So, 84/4 + 15/7 = 162/7
In mixed form: 231/7
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