Add 72/30 and 80/84
1st number: 2 12/30, 2nd number: 80/84
72/30 + 80/84 is 352/105.
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,
72/30 = 72 × 14/30 × 14 = 1008/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
80/84 = 80 × 5/84 × 5 = 400/420 - Add the two like fractions:
1008/420 + 400/420 = 1008 + 400/420 = 1408/420 - 1408/420 simplified gives 352/105
- So, 72/30 + 80/84 = 352/105
In mixed form: 337/105
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