Add 80/84 and 14/70
80/84 + 14/70 is 121/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 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 70 × 6 = 420,
14/70 = 14 × 6/70 × 6 = 84/420 - Add the two like fractions:
400/420 + 84/420 = 400 + 84/420 = 484/420 - 484/420 simplified gives 121/105
- So, 80/84 + 14/70 = 121/105
In mixed form: 116/105
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