Add 84/30 and 20/84
1st number: 2 24/30, 2nd number: 20/84
84/30 + 20/84 is 319/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
84/30 = 84 × 14/30 × 14 = 1176/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420 - Add the two like fractions:
1176/420 + 100/420 = 1176 + 100/420 = 1276/420 - 1276/420 simplified gives 319/105
- So, 84/30 + 20/84 = 319/105
In mixed form: 34/105
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