Add 6/84 and 45/21
1st number: 6/84, 2nd number: 2 3/21
6/84 + 45/21 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
6/84 = 6 × 1/84 × 1 = 6/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
45/21 = 45 × 4/21 × 4 = 180/84 - Add the two like fractions:
6/84 + 180/84 = 6 + 180/84 = 186/84 - 186/84 simplified gives 31/14
- So, 6/84 + 45/21 = 31/14
In mixed form: 23/14
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