Add 84/4 and 45/7
1st number: 21 0/4, 2nd number: 6 3/7
84/4 + 45/7 is 192/7.
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,
45/7 = 45 × 4/7 × 4 = 180/28 - Add the two like fractions:
588/28 + 180/28 = 588 + 180/28 = 768/28 - 768/28 simplified gives 192/7
- So, 84/4 + 45/7 = 192/7
In mixed form: 273/7
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