Add 80/84 and 8/30
80/84 + 8/30 is 128/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
80/84 = 80 × 5/84 × 5 = 400/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
8/30 = 8 × 14/30 × 14 = 112/420 - Add the two like fractions:
400/420 + 112/420 = 400 + 112/420 = 512/420 - 512/420 simplified gives 128/105
- So, 80/84 + 8/30 = 128/105
In mixed form: 123/105
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