Add 84/60 and 21/84
1st number: 1 24/60, 2nd number: 21/84
84/60 + 21/84 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
84/60 = 84 × 7/60 × 7 = 588/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420 - Add the two like fractions:
588/420 + 105/420 = 588 + 105/420 = 693/420 - 693/420 simplified gives 33/20
- So, 84/60 + 21/84 = 33/20
In mixed form: 113/20
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